IUCN Red List endangered animalia species

This is a list of endangered animal species according to the World Conservation Union (IUCN) Red List. The list includes endangered species of the kingdom Animalia.


 * Aethopyga duyvenbodei — Elegant Sunbird
 * Aetobatus flagellum — Longheaded eagle ray
 * Aetomylaeus maculatus — Mottled eagle ray
 * Aetomylaeus vespertilio — Ornate eagle ray, Reticulate eagle ray
 * Afrana inyangae — Inyangani River Frog
 * Afrana johnstoni — Johnston's River Frog
 * Africallagma cuneistigma
 * Afrithelphusa afzelii
 * Afrithelphusa gerhildae
 * Afrithelphusa leonensis
 * Afrithelphusa monodosus
 * Afrixalus knysnae — Knysna Banana Frog
 * Afrixalus lacteus
 * Afrixalus sylvaticus
 * Afrogyrus rodriguezensis
 * Afrogyrus starmuehlneri
 * Agabus clypealis
 * Agabus discicollis
 * Agabus hozgargantae
 * Agalychnis annae — Blue-sided Treefrog
 * Agalychnis moreletii — Morelet's Treefrog
 * Agelaius tricolor — Tricoloured Blackbird
 * Agelaius xanthomus — Yellow-shouldered Blackbird
 * Aglaeactis aliciae — Purple-backed Sunbeam
 * Aglaothorax longipennis — Santa Monica Shieldback Katydid
 * Aglyptodactylus laticeps
 * Agriades zullichi
 * Ailuropoda melanoleuca — Giant Panda, Panda Géant, Panda, Panda Gigante
 * Ailurus fulgens — Lesser Panda, Red Cat-bear, Red Panda
 * Alasmidonta arcula — Altamaha arcmussel
 * Alasmidonta atropurpurea — Cumberland Elktoe
 * Alasmidonta heterodon — Dwarf wedge mussel
 * Alasmidonta raveneliana — Appalachian elktoe
 * Alauda razae — Raso Lark
 * Albericus siegfriedi
 * Alburnus orontis
 * Alcolapia alcalicus
 * Alethe choloensis — Thyolo Alethe
 * Alexteroon jynx
 * Algyroides marchi — Spanish Algyroides
 * Allactaga firouzi — Iranian Jerboa
 * Alligator sinensis — China Alligator, Chinese Alligatoropus arsyecue]]''
 * Atelopus arthuri
 * Atelopus balios
 * Atelopus bomolochos
 * Atelopus boulengeri
 * Atelopus carauta — Rio Carauta Stubfoot Toad
 * Atelopus carbonerensis — Venezuelan Yellow Frog
 * Atelopus carrikeri
 * Atelopus certus
 * Atelopus chiriquiensis
 * Atelopus chocoensis
 * Atelopus chrysocorallus
 * Atelopus coynei
 * Atelopus cruciger — Rancho Grande Harlequin Frog
 * Atelopus dimorphus
 * Atelopus ebenoides
 * Atelopus elegans
 * Atelopus erythropus
 * Atelopus eusebianus
 * Atelopus exiguus
 * Atelopus famelicus
 * Atelopus farci
 * Atelopus galactogaster
 * Atelopus glyphus
 * Atelopus guanujo
 * Atelopus guitarraensis
 * Atelopus halihelos
 * Atelopus laetissimus
 * Atelopus limosus
 * Atelopuia boucardi — Mangrove Hummingbird
 * Amazilia castaneiventris — Chestnut-bellied Hummingbird
 * Amazilia luciae — Honduran Emerald
 * Amazona imperialis — Imperial Parrot
 * Amazona oratrix — Yellow-headed Parrot
 * Amazona rhodocorytha — Red-browed Amazon
 * Amazona viridigenalis — Red-crowned Parrot
 * Amazona vittata — Puerto Rican Parrot
 * Amblema neislerii — Fat threeridge
 * Amblysomus marleyi — Marley's Golden Mole
 * Ambystoma altamirani
 * Ambystoma amblycephalum
 * Ambystoma andersoni
 * Ambystoma bombypellum
 * Ambystoma dumerilii
 * Ambystoma granulosum — Granular Salamander
 * Ambystoma leorae — Leora's Stream Salamander
 * Ambystoma lermaense — Lake Lerma Salamander
 * Ambystoma mexicanum — Axolotl
 * Ambystoma ordinarium — Michoacan Stream Salamander
 * Ambystoma taylori — Taylor's Salamander
 * Ameiva polops — Saint Croix Ground Lizard, St. Croix Ground Lizard
 * Ammospermophilus nelsoni — Nelson's Antelope Squirrel, San Joaquin Antelope Ground Squirrel, San Joaquin Antelope Squirrel
 * Amnirana asperrima
 * Amnirana occidentalis
 * Amolops hainanensis
 * Ampelita fulgurata
 * Ampelita julii
 * Amplirhagada astuta
 * Amplirhagada questroana
 * Anabarilius polylepis
 * Anaecypris hispanica
 * Anairetes alpinus — Ash-breasted Tit-tyrant
 * Anas bernieri — Madagascar Teal
 * Anas chlorotis — Brown Teal
 * Anas laysanensis — Laysan Duck
 * Anas melleri — Meller's Duck
 * Anas nesiotis — Campbell Island Teal
 * Anas wyvilliana — Hawaiian Duck
 * Anceya terebriformis
 * Ancylastrum cumingianus — Australian freshwater limpet, Tasmanian freshwater 'limpet'
 * Ancylus ashangiensis
 * Andinophryne colomai
 * Andrias davidianus — Chinese Giant Salamander
 * Aneuretus simoni — Sri Lankan Relict Ant
 * Angrobia grampianensis
 * Anhydrophryne rattrayi — Hogsback Frog, Rattray's Frog
 * Anisogomphus solitaris
 * Anisotremus moricandi — Brownstriped grunt
 * Anodonthyla rouxae
 * Anodorhynchus glaucus — Glaucous Macaw
 * Anodorhynchus hyacinthinus — Hyacinth Macaw
 * Anodorhynchus leari — Lear's Macaw
 * Anolis roosevelti — Culebra Island Giant Anole, Roosevelt's Giant Anole
 * Anotomys leander — Aquatic Rat, Ecuador Fish-eating Rat, Fish-eating Rat
 * Anoxypristis cuspidata — Knifetooth sawfish, Narrow sawfish, Pointed sawfish
 * Anser cygnoides — Swan Goose
 * Ansonia anotis
 * Ansonia guibei
 * Ansonia latidisca
 * Ansonia ornata
 * Ansonia platysoma
 * Anthicus sacramento — Sacramento Beetle
 * Anthracoceros montani — Sulu Hornbill
 * Anthreptes pallidigaster — Amani Sunbird
 * Anthus sokokensis — Sokoke Pipit
 * Antilophia bokermanni — Araripe Manakin
 * Antrisocopia prehensilis
 * Antrobia culveri — Tumbling creek cavesnail
 * Apalharpactes reinwardtii — Javan Trogon
 * Apalis argentea — Kungwe Apalis
 * Apalis flavigularis — Yellow-throated Apalis
 * Apalis fuscigularis — Taita Apalis
 * Apalis moreaui — Long-billed Tailorbird
 * Apalone ater — Cuatro Cienegas Softshell
 * Aphanius baeticus
 * Aphanius burduricus
 * Aphanius iberus — Spanish Toothcarp
 * Aphanius richardsoni
 * Aphanius sirhani
 * Aphanius splendens
 * Aphanius transgrediens
 * Aphrastura masafuerae — Masafuera Rayadito
 * Aplocheilichthys sp. nov. 'Baringo'
 * Aplonis brunneicapillus — White-eyed Starling
 * Aplonis pelzelni — Pohnpei Mountain Starling
 * Apodemus hermonensis — Mt Hermon Field Mouse
 * Aproteles bulmerae — Bulmer's Fruit Bat
 * Apteryx mantelli — Brown Kiwi
 * Aquadulcaris pheronyx
 * Ara ambiguus — Great Green Macaw
 * Ara glaucogularis — Blue-throated Macaw
 * Ara rubrogenys — Red-fronted Macaw
 * Aratinga brevipes — Socorro Parakeet
 * Arawacus aethesa
 * Arborophila davidi — Orange-necked Partridge
 * Arborophila rufipectus — Sichuan Partridge
 * Archboldomys luzonensis — Mt Isarog Shrew-mouse
 * Ardea humbloti — Madagascar Heron
 * Ardea insignis — White-bellied Heron
 * Ardeola idae — Madagascar Pond-heron
 * Ardeotis nigriceps — Great Indian Bustard
 * Arinia biplicata
 * Arinia boreoborneensis
 * Arinia dentifera
 * Arinia oviformis
 * Arinia simplex
 * Arinia streptaxiformis
 * Arius bonillai — New Grenada sea catfish
 * Arius festinus
 * Arius uncinatus
 * Arkansia wheeleri — Ouachita Rock Pocketbook, Wheeler's Pearly Mussel
 * Arlequinus krebsi
 * Armsia petasus
 * Aromobates nocturnus — Skunk Frog
 * Arthroleptella ngongoniensis — Ngoni Moss Frog
 * Arthroleptides dutoiti — Du Toit's Torrent Frog
 * Arthroleptides martiensseni — Usambara Torrent Frog
 * Arthroleptides yakusini
 * Arthroleptis crusculum
 * Arthroleptis francei
 * Arthroleptis nikeae
 * Arthroleptis troglodytes — Cave Squeaker
 * Asiagomphus yayeyamensis
 * Aspidites ramsayi — Ramsay's python
 * Assiminea pecos — Pecos assiminea
 * Astacoides crosnieri
 * Astacoides petiti
 * Astacopsis gouldi — Giant Freshwater Crayfish, Giant Tasmanian Lobster
 * Astatotilapia sp. nov. 'dwarf bigeye scraper'
 * Astatotilapia sp. nov. 'shovelmouth'
 * Astroblepus ubidiai — Andean catfish
 * Astylosternus fallax
 * Astylosternus laurenti
 * Astylosternus nganhanus
 * Astylosternus perreti
 * Astylosternus ranoides
 * Astylosternus schioetzi
 * Ataeniobius toweri — Striped goodeid
 * Ateles hybridus — Variegated Spider Monkey
 * Ateles marginatus — White-cheeked Spider Monkey
 * Atelognathus patagonicus
 * Atelognathus praebasalticus
 * Atelognathus reverberii
 * Atelophryniscus chrysophorus
 * Atelopus andinus
 * Atelopus angelito
 * Atelopus arsyecue
 * Atelopus arthuri
 * Atelopus balios
 * Atelopus bomolochos
 * Atelopus boulengeri
 * Atelopus carauta — Rio Carauta Stubfoot Toad
 * Atelopus carbonerensis — Venezuelan Yellow Frog
 * Atelopus carrikeri
 * Atelopus certus
 * Atelopus chiriquiensis
 * Atelopus chocoensis
 * Atelopus chrysocorallus
 * Atelopus coynei
 * Atelopus cruciger — Rancho Grande Harlequin Frog
 * Atelopus dimorphus
 * Atelopus ebenoides
 * Atelopus elegans
 * Atelopus erythropus
 * Atelopus eusebianus
 * Atelopus exiguus
 * Atelopus famelicus
 * Atelopus farci
 * Atelopus galactogaster
 * Atelopus glyphus
 * Atelopus guanujo
 * Atelopus guitarraensis
 * Atelopus halihelos
 * Atelopus laetissimus
 * Atelopus limosus
 * Atelopus longibrachius
 * Atelopus lozanoi
 * Atelopus lynchi
 * Atelopus mandingues
 * Atelopus mindoensis
 * Atelopus minutulus
 * Atelopus monohernandezi
 * Atelopus mucubajiensis
 * Atelopus muisca
 * Atelopus nahumae
 * Atelopus nanay
 * Atelopus nepiozomus
 * Atelopus nicefori
 * Atelopus oxyrhynchus
 * Atelopus pachydermus
 * Atelopus pedimarmoratus
 * Atelopus peruensis
 * Atelopus petriruizi
 * Atelopus pictiventris
 * Atelopus pinangoi — Green And Red Venter Harlequin Toad
 * Atelopus planispina
 * Atelopus pulcher
 * Atelopus quimbaya
 * Atelopus reticulatus
 * Atelopus seminiferus
 * Atelopus senex
 * Atelopus sernai
 * Atelopus simulatus
 * Atelopus sonsonensis
 * Atelopus sorianoi — Scarlet Harlequin Toad
 * Atelopus subornatus
 * Atelopus tamaense — Tamá Harlequin Frog
 * Atelopus varius — Harlequin Frog
 * Atelopus walkeri
 * Atelopus zeteki — Golden Arrow Poison Frog, Golden Frog, Panamanian Golden Frog, Zetek's Golden Frog
 * Atlantasellus cavernicolus
 * Atlantoraja castelnaui — Spotback skate
 * Atlapetes flaviceps — Yellow-headed Brush-finch
 * Atlapetes melanopsis — Black-spectacled Brush-finch
 * Atlapetes pallidiceps — Pale-headed Brush-finch
 * Atopophrynus syntomopus
 * Atrophaneura jophon — Sri Lankan Rose
 * Aulacorhynchus huallagae — Yellow-browed Toucanet
 * Aulopyge huegeli — Dalmatian Barbelgudgeon
 * Austrocordulia leonardi — Sydney Hawk
 * Austroglanis barnardi — Barnard's Rock-catfish
 * Axis calamianensis — Calamanian Deer, Calamian Deer, Calamian Hog Deer, Philippine Deer
 * Axis kuhlii — Bawean Deer, Bawean Hog Deer, Kuhl's Hog Deer
 * Aye-Aye-Lemur
 * Aythya innotata — Madagascar Pochard

B

 * Bahaba taipingensis —Maa Ko chod Chinese bahaba
 * Balaenoptera borealis — Coalfish Whale, Pollack Whale, Rudolphi's Rorqual, Sei Whale
 * Balaenoptera musculus — Blue Whale, Sibbald's rorqual, Sulphur-bottom whale
 * Balaenoptera physalus — Common Rorqual, Fin Whale, Fin-backed Whale, Finback, Finner, Herring Whale, Razorback
 * Balantiocheilos melanopterus — Silver Shark
 * Balantiopteryx infusca — Ecuadorian Sac-winged Bat
 * ''Balebrevied Cinclodes
 * Batagur baska — Batagur, Common Batagur, Four-toed Terrapin, River Terrapin, Batagur Malais, Galápago Batagur
 * Bathanalia howesi
 * Batrachophrynus brachydactylus
 * Batrachophrynus macrostomus — Lake Junin Frog
 * Batrachoseps campi — Inyo Mountains Salamander
 * Batrachuperus cochranae
 * Batrachuperus gorganensis — Gorgan Salamander
 * Batrachuperus londongensis — Longdong Stream Salamander
 * Batrachuperus mustersi — Afghani Brook Salamander
 * Beatragus hunteri — Hirola, Hunter's Antelope, Hunter's hartebeest
 * Beddomeia capensis
 * Beddomeia fallax
 * Beddomeia minima
 * Bedotia sp. nov. 'Manombo'
 * Bedotia sp. nov. 'Sambava'
 * Bedotia sp. nov. 'Vevembe'
 * Bedotia tricolor
 * Belgrandiella austriana
 * Belgrandiella ganslmayri
 * Belgrandiella mimula
 * Belgrandiella parreyssi
 * Belgrandiella pelerei
 * Belgrandiella styriaca
 * Belgrandiella wawrai
 * Bellamya constricta
 * Bellamya contracta
 * Bellamya crawshayi
 * Bellamya leopoldvillensis
 * Bellamya liberiana
 * Bellamya monardi
 * Bellamya mweruensis
 * Bellamya pagodiformis
 * Bellamya phthinotropis
 * Bellamya robertsoni
 * Bellamya rubicunda
 * Bellamya trochearis
 * Bermudalana aruboides
 * Bermudamysis speluncola
 * Betta livida
 * Betta miniopinna
 * Betta persephone
 * Betta spilotogena
 * Bettongia tropica — Northern Bettong
 * Biomphalaria barthi
 * Bison bonasus — European Bison, Wisent
 * Biswamoyopterus biswasi — Namdapha Flying Squirrel
 * Bogidiella bermudensis
 * Bokermannohyla izecksohni
 * Bolitoglossa alvaradoi
 * Bolitoglossa capitana
 * Bolitoglossa carri
 * Bolitoglossa celaque
 * Bolitoglossa compacta
 * Bolitoglossa conanti
 * Bolitoglossa decora
 * Bolitoglossa diaphora
 * Bolitoglossa dunni
 * Bolitoglossa engelhardti
 * Bolitoglossa flavimembris
 * Bolitoglossa franklini
 * Bolitoglossa heiroreias — Holy-mountain Salamander
 * Bolitoglossa jacksoni
 * Bolitoglossa longissima
 * Bolitoglossa magnifica — Magnificent Web-footed Salamander
 * Bolitoglossa marmorea
 * Bolitoglossa meliana
 * Bolitoglossa minutula
 * Bolitoglossa odonnelli
 * Bolitoglossa oresbia
 * Bolitoglossa pandi
 * Bolitoglossa pesrubra
 * Bolitoglossa porrasorum
 * Bolitoglossa riletti
 * Bolitoglossa salvinii
 * Bolitoglossa sooyorum
 * Bolitoglossa spongai
 * Bolitoglossa stuarti
 * Bolitoglossa subpalmata
 * Bolitoglossa synoria
 * Boninagrion ezoin
 * Boninena callistoderma
 * Boninena hiraseana
 * Boninena ogasawarae
 * Boninthemis insularis
 * Boophis williamsi
 * Bos javanicus — Banteng, Tembadau
 * Bos sauveli — Grey Ox, Kouprey
 * Bostrychia bocagei — Dwarf Olive Ibis
 * Botaurus poiciloptilus — Australasian Bittern
 * Bothriembryon perobesus
 * Bothriembryon praecelcus
 * Bothrops alcatraz — Alcatrazes Lancehead
 * Bothrops insularis — Golden Lancehead, Queimada Island Bothrops
 * Botia sidthimunki
 * Boucardicus carylae
 * Boucardicus culminans
 * Boucardicus curvifolius
 * Boucardicus delicatus
 * Boucardicus divei
 * Boucardicus esetrae
 * Boucardicus fidimananai
 * Boucardicus fortistriatus
 * Boucardicus magnilobatus
 * Boucardicus mahermanae
 * Boucardicus randalanai
 * Boucardicus simplex
 * Boucardicus victorhernandezi
 * Boulengerula niedeni
 * Brachionichthys hirsutus — Spotted handfish
 * Brachylophus fasciatus — Fiji Banded Iguana, South Pacific Banded Iguana
 * Brachylophus vitiensis — Fiji Crested Iguana
 * Brachyramphus brevirostris — Kittlitz's Murrelet
 * Brachyramphus marmoratus — Marbled Murrelet
 * Brachyteles arachnoides — Muriqui, Southern Muriqui, Woolly Spider Monkey
 * Brachyteles hypoxanthus — Northern Muriqui, Muriqui
 * Bradypodion setaroi — Setarolondongensis'' — Longdong Stream Salamander
 * Batrachuperus mustersi — Afghani Brook Salamander
 * Beatragus hunteri — Hirola, Hunter's Antelope, Hunter's hartebeest
 * Beddomeia capensis
 * Beddomeia fallax
 * Beddomeia minima
 * Bedotia sp. nov. 'Manombo'
 * Bedotia sp. nov. 'Sambava'
 * Bedotia sp. nov. 'Vevembe'
 * Bedotia tricolor
 * Belgrandiella austriana
 * Belgrandiella ganslmayri
 * Belgrandiella mimula
 * Belgrandiella parreyssi
 * Belgrandiella pelerei
 * Belgrandiella styriaca
 * Belgrandiella wawrai
 * Bellamya constricta
 * Bellamya contracta
 * Bellamya crawshayi
 * Bellamya leopoldvillensis
 * Bellamya liberiana
 * Bellamya monardi
 * Bellamya mweruensis
 * Bellamya pagodiformis
 * Bellamya phthinotropis
 * Bellamuffalo
 * Bubalus depressicornis — Anoa, Lowland Anoa
 * Bubalus mindorensis — Tamaraw, Tamarou, Tamarau
 * Bubalus quarlesi — Mountain Anoa
 * Bufo amabilis
 * Bufo amatolicus — Amatola Toad
 * Bufo beddomii
 * Bufo brauni
 * Bufo caeruleostictus
 * Bufo californicus — Arroyo toad
 * Bufo canorus — Yosemite Toad
 * Bufo cataulaciceps — Cuban Pine Toad
 * Bufo cavifrons — Mountain Toad
 * Bufo chavin
 * Bufo claviger
 * Bufo cristatus — Large-crested Toad
 * Bufo djohongensis
 * Bufo fastidiosus
 * Bufo fluviaticus — Hispaniolan Crestless Toad
 * Bufo fractus — Eastern Crested Toad
 * Bufo gallardoi
 * Bufo gemmifer — Jeweled Toad
 * Bufo holdridgei
 * Bufo houstonensis — Houston Toad
 * Bufo ibarrai
 * Bufo inyangae — Inyanga Toad
 * Bufo kotagamai
 * Bufo koynayensis
 * Bufo kumquat
 * Bufo lemur — Puerto Rican Crested Toad, Puerto Rican Toad
 * Bufo leucomyos
 * Bufo longinasus — Cuban Long-nosed Toad
 * Bufo nelsoni — Amargosa Toad
 * Bufo nesiotes
 * Bufo noellerti
 * Bufo pantherinus — Western Leopard Toad
 * Bufo peripatetes
 * Bufo perplexus
 * Bufo sclerocephalus
 * Bufo spiculatus
 * Bufo sumatranus
 * Bufo tacanensis
 * Bufo taiensis
 * Bufo tutelarius
 * Bufo villiersi
 * Bufoides meghalayanus
 * Bulimulus achatellinus
 * Bulimulus adelphus
 * Bulimulus adserseni
 * Bulimulus chemitzioides
 * Bulimulus cinerarius
 * Bulimulus cucullinus
 * Bulimulus curtus
 * Bulimulus deridderi
 * Bulimulus duncanus
 * Bulimulus eos
 * Bulimulus eschariferus
 * Bulimulus galapaganus
 * Bulimulus habeli
 * Bulimulus hirsutus
 * Bulimulus indefatigabilis
 * Bulimulus jacobi
 * Bulimulus lycodus
 * Bulimulus nux
 * Bulimulus ochsneri
 * Bulimulus olla
 * Bulimulus perspectivus
 * Bulimulus planospira
 * Bulimulus reibischi
 * Bulimulus rugulosus
 * Bulimulus saeronius
 * Bulimulus sculpturatus
 * Bulimulus sp. nov. 'josevillani'
 * Bulimulus sp. nov. 'krameri'
 * Bulimulus sp. nov. 'nilsodhneri'
 * Bulimulus sp. nov. 'tuideroyi'
 * Bulimulus sp. nov. 'vanmoli'
 * Bulimulus tanneri
 * Bulimulus wolfi
 * Bulinus succinoides
 * Bunolagus monticularis — Bushman Hare, Riverine Rabbit
 * Bunomys coelestis — Heavenly Hill Rat
 * Bunomys prolatus — Long-headed Hill Rat
 * Bunopithecus hoolock — Hoolock Gibbon, Hoolock
 * Burmagomphus sivalikensis
 * Burramys parvus — Broom's Pygmy-possum, Burramys, Mountain Pygmy Possum
 * Buteo ridgwayi — Ridgway's Hawk
 * Buthraupis aureodorsalis — Golden-backed Mountain-tanager
 * Bythinella bicarinata
 * Bythiospeum cisterciensorum
 * Bythiospeum geyeri
 * Bythiospeum noricum
 * Bythiospeum pfeifferi
 * Bythiospeum reisalpense
 * Bythiospeum tschapecki

C

 * Cacatua haematuropygia — Philippine Cockatoo
 * Caecidotea barri — Clifton Cave Isopod
 * Cairina scutulata — White-winged Duck
 * Calamodontophis sp. nov.
 * Caledonian Owlet-nightjar
 * Callaeas cinereus — Kokako
 * Callagur borneoensis — Painted Batagur, Painted Terrapin, Saw-jawed Turtle, Three-striped Batagur
 * Callicebus barbarabrownae — Barbara Brown's Titi, Northern Bahian Blond Titi, Guigó, Sauá
 * Callicebus coimbrai — Coimbra Filho's Titi, Coimbra's Titi, Guigó, Sauá
 * Callionymus sanctaehelenae — Saint Helena dragonet
 * Callithrix aurita — Buffy-tufted Marmoset, White-eared Marmoset
 * Callithrix flaviceps — Buffy-headed Marmoset
 * Callulina kisiwamsitu
 * Callulops kopsteini
 * Calomyscus hotsoni — Hotson's Mouse-like Hamster
 * Calopteryx syriaca
 * Calotes liocephalus — Spineless Forest Lizard
 * Calumma tigris — Tiger chameleon
 * Calyptorhynchus baudinii — Baudin's Black-Cockatoo
 * Calyptorhynchus latirostris — Carnaby's Black-Cockatoo
 * Calyptura cristata — Kinglet Calyptura
 * Camarhynchus heliobates — Mangrove Finch
 * Cambarellus blacki — Cypress Crayfish
 * Cambarus aculabrum
 * Cambarus deweesae — Valley Flame Crayfish
 * Cambarus harti — Piedmont Blue Burrower
 * Cambarus pyronotus — Red-black Crayfish
 * Cambarus strigosus
 * Cambarus subterraneus
 * Cambarus tartarus — Oklahoma Cave Crayfish
 * Cambarus truncatus
 * Cambarus williami
 * Cambarus zophonastes — Hell Creek Crayfish
 * Camelus bactrianus — Bactrian Camel, Wild Bactrian Camel
 * Campephilus imperialis — Imperial Woodpecker
 * Campephilus principalis — Ivory-billed Woodpecker
 * Campylopterus phainopeplus — Santa Marta Sabrewing
 * Canis rufus — Red Wolf
 * Canis simensis — Ethiopian Wolf, Simien Fox, Simien Jackal
 * Capito hypoleucus — White-mantled Barbet
 * Capoeta pestai — Siraz Baligi
 * Capra caucasica — West Caucasian Tur
 * Capra falconeri — Markhor
 * Capra nubiana — Nubian Ibex
 * Capra walie — Walia Ibex
 * Caprimulgus noctitherus — Puerto Rican Nightjar
 * Caprimulgus prigoginei — Itombwe Nightjar
 * Caprolagus hispidus — Assam Rabbit, Hispid Hare
 * Carcharhinus borneensis — Borneo shark
 * Carcharhinus hemiodon — Pondicherry shark
 * Cardioglossa alsco
 * Cardioglossa aureoli
 * Cardioglossa melanogaster
 * Cardioglossa oreas
 * Cardioglossa pulchra
 * Cardioglossa schioetzi
 * Cardioglossa trifasciata
 * Cardioglossa venusta
 * Carduelis cucullata — Red Siskin
 * Carduelis johannis — Warsangli Linnet
 * Caretta caretta — Loggerhead Sea Turtle
 * Carpococcyx viridis — Sumatran Ground-cuckoo
 * Carpodectes antoniae — Yellow-billed Cotinga
 * Casarea dussumieri — Round Island Keel-scaled Boa
 * Caseolus subcalliferus
 * Catagonus wagneri — Chacoan Peccary, Tagua
 * Catharopeza bishopi — Whistling Warbler
 * Catopuma badia — Bay Cat, Bornean Bay Cat, Bornean Marbled Cat
 * Catostomus microps — Modoc Sucker
 * Cebus xanthosternos — Yellow-breasted Capuchin
 * Cecilioides eulima
 * Celestus anelpistus — Giant Hispaniolan Galliwasp
 * Celestus warreni — Giant Hispaniolan Galliwasp
 * Centrocercus minimus — Gunnison Sage-grouse
 * Centrolene audax
 * Centrolene azulae
 * Centrolene ballux
 * Centrolene fernandoi
 * Centrolene gemmatum
 * Centrolene heloderma
 * Centrolene lynchi
 * Centrolene mariae
 * Centrolene petrophilum
 * Centrolene pipilatum
 * Centrophorus harrissoni — Dumb gulper shark, Dumb shark, Harrison's Deepsea Dogfish, Harrison's Dogfish
 * Centropus steerii — Black-hooded Coucal
 * Cephalakompsus pachycheilus
 * Cephalophus adersi — Aders' Duiker
 * Cephalorhynchus hectori — Hector's Dolphin, New Zealand Dolphin, White-headed Dolphin
 * Ceratophallus socotrensis
 * Ceratophora tennentii — Leaf-nosed Lizard, Tennent's Leaf-nosed Lizard
 * Cercopithecus diana — Diana Guenon, Diana Monkey, Roloway Monkey
 * Cercopithecus erythrogaster — Red-bellied Guenon, Red-bellied Monkey, White-throated Guenon, White-throated Monkey
 * Cercopithecus preussi — Preuss's Guenon, Preuss's Monkey
 * Cercopithecus sclateri — Sclater's Guenon, Sclater's Monkey, White-throated Guenon
 * Cerion nanus
 * Cervus alfredi — Philippine Spotted Deer, Visayan Spotted Deer
 * Ceylonthelphusa alpina
 * Ceylonthelphusa armata
 * Ceylonthelphusa callista
 * Ceylonthelphusa diva
 * Ceylonthelphusa durrelli
 * Ceylonthelphusa kotagama
 * Ceylonthelphusa nata
 * Ceylonthelphusa orthos
 * Ceylonthelphusa sanguinea
 * Ceylonthelphusa savitriae
 * Chaerephon gallagheri — Gallagher's Free-tailed Bat
 * Chaerephon tomensis — São Tomé Free-tailed Bat
 * Chaetocercus berlepschi — Esmeraldas Woodstar
 * Chalcides ebneri — Ebner's Skink
 * Chalcides mauritanicus — Two-fingered Skink
 * Chalcides parallelus
 * Chalcides simonyi
 * Chalinolobus neocaledonicus
 * Chaparana unculuanus
 * Characodon lateralis — Rainbow Goodeid
 * Charadrahyla altipotens
 * Charadrahyla chaneque
 * Charadrahyla trux
 * Charadrius obscurus — New Zealand Dotterel
 * Charmosyna amabilis — Red-throated Lorikeet
 * Charmosyna diadema — New Caledonian Lorikeet
 * Charmosyna toxopei — Blue-fronted Lorikeet
 * Chasiempis sandwichensis — 'Elepaio
 * Chasmistes brevirostris — Shortnose Sucker
 * Chasmistes cujus — Cui-ui
 * Cheilinus undulatus — Giant wrasse, Humphead wrasse, Humphead, Maori wrasse, Napoleon wrasse, Truck wrasse, Undulate wrasse
 * Chela caeruleostigmata
 * Chelodina mccordi — Roti Island Snake-necked Turtle
 * Chelodina pritchardi — Pritchard's Snake-necked Turtle
 * Chelonia mydas — Green sea turtle, Green Turtle
 * Chiasmocleis carvalhoi
 * Chilatherina sentaniensis — Sentani rainbowfish
 * Chiloglanis asymetricaudalis
 * Chiloglanis bifurcus — Incomati rock catlet, Incomati suckermouth
 * Chiloglanis lufirae
 * Chiloglanis ruziziensis
 * Chimarrogale hantu — Hantu Water Shrew, Malayan Water Shrew
 * Chimarrogale phaeura — Borneo Water Shrew, Sunda Water Shrew
 * Chimarrogale sumatrana — Sumatra Water Shrew
 * Chinchilla brevicaudata — Short-tailed Chinchilla
 * Chinemys megalocephala — Chinese Broad-headed Pond Turtle
 * Chinemys nigricans — Red-necked Pond Turtle
 * Chinemys reevesii — Chinese Pond Turtle, Chinese Three-keeled Pond Turtle, Golden Turtle, Japanese Coin Turtle
 * Chirixalus romeri
 * Chiroderma improvisum — Guadeloupe Big-eyed Bat
 * Chironius vincenti — St Vincent Blacksnake
 * Chiropodomys karlkoopmani — Koopman's Pencil-tailed Tree Mouse
 * Chiropotes satanas — Bearded saki, Black Bearded Saki, Brown-bearded Saki
 * Chiropterotriton chondrostega
 * Chiropterotriton cracens
 * Chiropterotriton dimidiatus
 * Chiropterotriton lavae
 * Chiropterotriton magnipes
 * Chiropterotriton mosaueri
 * Chiropterotriton multidentatus
 * Chitra chitra — Striped Narrow-headetrocercus minimus'' — Gunnison Sage-grouse
 * Centrolene audax
 * Centrolene azulae
 * Centrolene ballux
 * Centrolene fernandoi
 * Centrolene gemmatum
 * Centrolene heloderma
 * Centrolene lynchi
 * Centrolene mariae
 * Centrolene petrophilum
 * Centrolene pipilatum
 * Centrophorus harrissoni — Dumb gulper shark, Dumb shark, Harrison's Deepsea Dogfish, Harrison's Dogfish
 * Centropus steerii — Black-hooded Coucal
 * Cephalakompsus pachycheilus
 * Cephalophus adersi — Aders' Duiker
 * Cephalorhynchus hectori — Hector's Dolphin, New Zealand Dolphin, White-headed Dolphin
 * Ceratophallus socotrensis
 * Ceratophora tennentii — Leaf-nosed Lizard, Tennent's Leaf-nosed Lizard
 * Cercopithecus diana — Diana Guenon, Diana Monkey, Roloway Monkey
 * ''Cercopitheat, Mt Isarog Striped Rat
 * Chrysoritis cotrelli
 * Chrysospalax trevelyani — Giant Golden Mole
 * Churamiti maridadi
 * Cichlasoma labridens — Mojarra
 * Cicindela puritana — Puritan Tiger Beetle
 * Ciconia boyciana — Oriental Stork
 * Ciconia stormi — Storm's Stork
 * Cinclodes aricomae — Royal Cinclodes
 * Cinclodes palliatus — White-bellied Cinclodes
 * Circus maillardi — Réunion Harrier
 * Cisticola aberdare — Aberdare Cisticola
 * Cistothorus apolinari — Apolinar's Wren
 * Claravis godefrida — Purple-winged Ground-dove
 * Clariallabes mutsindoziensis
 * Clarias cavernicola — Cave catfish
 * Clarias maclareni
 * Clemmys muhlenbergii — Bog Turtle
 * Cleptornis marchei — Golden White-eye
 * Clinothelphusa kakoota
 * Clinus spatulatus — Bot River klipfish
 * Clytoctantes alixii — Recurve-billed Bushbird
 * Clytoctantes atrogularis
 * Coahuilix hubbsi — Coahuilix de hubbs snail
 * Cobitis arachthosensis
 * Cobitis bilseli
 * Cobitis calderoni
 * Cobitis hellenica
 * Cobitis puncticulata
 * Cobitis stephanidisi
 * Cobitis trichonica
 * Cobitis turcica
 * Cobitis vettonica
 * Coccymys albidens — White-toothed Brush Mouse, White-toothed Melomys, White-toothed Mouse
 * Cochranella anomala
 * Cochranella luminosa
 * Cochranella mache
 * Cochranella megacheira
 * Cochranella puyoensis
 * Cochranella saxiscandens
 * Cocoharpinia iliffei
 * Coeligena prunellei — Black Inca
 * Coenagriocnemis insularis
 * Coleura seychellensis — Seychelles Sheath-tailed Bat
 * Collocalia bartschi — Guam Swiftlet
 * Colluricincla sanghirensis — Sangihe Shrike-thrush
 * Colophon barnardi
 * Colophon berrisfordi
 * Colophon cassoni
 * Colophon eastmani
 * Colophon haughtoni
 * Colophon montisatris
 * Colophon primosi
 * Colophon thunbergi
 * Colophon whitei
 * Colostethus anthracinus
 * Colostethus cevallosi
 * Colostethus delatorreae
 * Colostethus dunni
 * Colostethus edwardsi
 * Colostethus elachyhistus
 * Colostethus jacobuspetersi
 * Colostethus juanii
 * Colostethus kingsburyi
 * Colostethus leopardalis
 * Colostethus mandelorum
 * Colostethus mertensi
 * Colostethus ranoides
 * Colostethus ruizi
 * Colostethus ruthveni
 * Colostethus saltuensis
 * Colostethus toachi
 * Colostethus vertebralis
 * Columba argentina — Silvery Wood-pigeon
 * Columba junoniae — White-tailed Laurel Pigeon
 * Columba pallidiceps — Yellow-legged Pigeon
 * Columbina cyanopis — Blue-eyed Ground-dove
 * Concholepas concholepas — Loco
 * Conothraupis mesoleuca — Cone-billed Tanager
 * Conraua derooi
 * Conraua goliath — Goliath frog
 * Cookeconcha contorta
 * Cophixalus concinnus — Beautiful Nursery-frog, Elegant Frog
 * Cophixalus mcdonaldi — Mcdonald's Frog
 * Cophixalus monticola — Mountain-top Nursery-frog
 * Cophixalus neglectus — Neglected Frog
 * Copsychus cebuensis — Black Shama
 * Copsychus sechellarum — Seychelles Magpie-robin
 * Coracina newtoni — Réunion Cuckoo-shrike
 * Coregonus reighardi — Shortnose Cisco
 * Corvus florensis — Flores Crow
 * Corvus kubaryi — Mariana Crow
 * Corvus minutus — Cuban Palm Crow
 * Corvus unicolor — Banggai Crow
 * Cotinga maculata — Banded Cotinga
 * Cottus pygmaeus — Pygmy Sculpin
 * Crangonyx dearolfi — Pennsylvania Cave Amphipod
 * Cranioleuca henricae — Bolivian Spinetail
 * Craseonycteris thonglongyai — Hog-nosed Bat, Kitti's Hog-nosed Bat
 * Craterocephalus fluviatilis — Murray Hardyhead
 * Crateromys australis — Dinagat Bushy-tailed Cloud Rat, Dinagat Island Cloud Rat
 * Crateromys heaneyi — Panay Bushy-tailed Cloud Rat, Panay Cloud Runner
 * Crateromys paulus — Ilin Bushy-tailed Cloud Rat
 * Craugastor anciano
 * Craugastor andi
 * Craugastor angelicus
 * Craugastor aurilegulus
 * Craugastor azueroensis
 * Craugastor catalinae
 * Craugastor charadra
 * Craugastor coffeus
 * Craugastor cruzi
 * Craugastor daryi
 * Craugastor emcelae
 * Craugastor epochthidius
 * Craugastor escoces
 * Craugastor fecundus
 * Craugastor fleischmanni
 * Craugastor glaucus
 * Craugastor greggi
 * Craugastor guerreroensis
 * Craugastor gulosus
 * Craugastor hobartsmithi
 * Craugastor inachus
 * Craugastor lauraster
 * Craugastor lineatus
 * Craugastor megalotympanum
 * Craugastor merendonensis
 * Craugastor obesus
 * Craugastor omiltemanus
 * Craugastor omoaensis
 * Craugastor polymniae
 * Craugastor pozo
 * Craugastor punctariolus
 * Craugastor ranoides
 * Craugastor rhyacobatrachus
 * Craugastor sabrinus
 * Craugastor saltuarius
 * Craugastor sartori
 * Craugastor silvicola
 * Craugastor spatulatus
 * Craugastor stadelmani
 * Craugastor stuarti
 * Craugastor tabasarae
 * Craugastor trachydermus
 * Craugastor uno
 * Crax alberti — Blue-billed Curassow
 * Crax blumenbachii — Red-billed Curassow
 * Cristilabrum bubulum
 * Cristilabrum buryillum
 * Cristilabrum grossum
 * Cristilabrum solitudum
 * Crocias langbianis — Grey-crowned Crocias
 * Crocidura ansellorum — Ansell's Shrew
 * Crocidura beccarii — Beccari's Shrew
 * Crocidura bottegoides — Bale Shrew
 * Crocidura desperata — Desperate Shrew
 * Crocidura dhofarensis — Dhofarian Shrew
 * Crocidura grandis — Mt. Malindang Shrew
 * Crocidura harenna — Harenna Shrew
 * Crocidura hispida — Andaman Shrew, Andaman Spiny Shrew
 * Crocidura malayana — Malayan Shrew
 * Crocidura mindorus — Mindoro Shrew
 * Crocidura miya — Sri Lankan Long-tailed Shrew
 * Crocidura negrina — Negros Shrew
 * Crocidura orii — Amami Shrew, Orii's Shrew
 * Crocidura paradoxura — Paradox Shrew
 * Crocidura picea — Pitch Shrew
 * Crocidura susiana — Iranian Shrew
 * Crocidura telfordi — Telford's Shrew
 * Crocidura thomensis — Sao Tomé Shrew
 * Crocidura usambarae — Usambara Shrew
 * Crocidura wimmeri — Wimmer's Shrew
 * Crocodylus intermedius — Orinoco Crocodile
 * Crocodylus mindorensis — Philippines Crocodile
 * Crocodylus rhombifer — Cuban Crocodile
 * Crocodylus siamensis — Siamese Crocodile
 * Crotalus unicolor — Aruba Island Rattlesnake
 * Crotalus adamanteus — Eastern Diamondback Rattlesnake
 * Crunomys celebensis — Celebes Shrew Rat
 * Crunomys fallax — Northern Luzon Shrew Rat
 * Cryptazeca kobelti
 * Cryptobatrachus boulengeri
 * Cryptobatrachus nicefori
 * Cryptochloris wintoni — De Winton's Golden Mole
 * Cryptochloris zyli — Van Zyl's Golden Mole
 * Cryptophyllobates azureiventris — Rana Venenosa
 * Cryptoprocta ferox — Fossa
 * Cryptotis endersi — Enders' S Small-eared Shrew
 * Cryptotriton adelos
 * Cryptotriton alvarezdeltoroi
 * Cryptotriton monzoni
 * Cryptotriton nasalis
 * Cryptotriton veraepacis
 * Crypturellus columbianus — Colombian Tinamou
 * Crypturellus saltuarius — Magdalena Tinamou
 * Ctenophila caldwelli
 * Ctenophila setiliris
 * Ctenosaura bakeri — Swamper, Utila Spiny-tailed Iguana
 * Ctenosaura flavidorsalis — Yellowback Spiny-tailed Iguana, Rumia
 * Ctenosaura melanosterna — Honduran Paleate Spiny-tailed Iguana
 * Ctenosaura oaxacana — Oaxacan Spiny-tailed Iguana, Guiou
 * Ctenosaura oedirhina — Roatán Spiny-tailed Iguana, Wishywilly
 * Ctenosaura palearis — Guatemalan Spiny-tailed Iguana
 * Ctenosaura quinquecariniata — Five-keeled Spiny-tailed Iguana
 * Cualac tessellatus
 * Cuon alpinus — Asiatic Wild Dog, Dhole, Indian Wild Dog, Red Dog
 * Cuora aurocapitata — Yellow-headed Box Turtle
 * Cuora flavomarginata — Yellow-margined Box Turtle
 * Cuora galbinifrons — Indochinese Box Turtle
 * Cuora mccordi — Mccord's Box Turtle
 * Cuora pani — Pan's Box Turtle
 * Cuora trifasciata — Chinese three-striped box turtle
 * Cuora zhoui — Zhou's Box Turtle
 * Cupedora evandaleana
 * Curaeus forbesi — Forbes's Blackbird
 * Currassanthura bermudensis
 * Cyanolimnas cerverai — Zapata Rail
 * Cyanopsitta spixii — Spix's Macaw
 * Cyanoramphus cookii — Norfolk Island Green Parrot
 * Cyanoramphus forbesi — Forbes's Parakeet
 * Cyanoramphus malherbi — Malherbe's Parakeet
 * Cyclura carinata — Bahamas Rock Iguana, Bartsch's Iguana, Turks and Caicos Ground Iguana, Turks and Caicos Iguana
 * Cyclura collei — Jamaica Ground Iguana, Jamaican Iguana
 * Cyclura lewisi — Cayman Island Ground Iguana, Grand Cayman Blue Iguana, Grand Cayman Iguana
 * Cyclura pinguis — Anegada Ground Iguana, Anegada Island Iguana, Anegada Rock Iguana
 * Cyclura ricordi — Hispaniolan Ground Iguana, Ricord's Ground Iguana, Ricord's Iguana
 * Cyclura rileyi — Acklin's Ground Iguana, San Salvador Ground Iguana, San Salvador Iguana, Watling Island Iguana, White Cay Ground Iguana
 * Cynogale bennettii — Otter Civet, Otter-civet
 * Cynomys mexicanus — Mexican Prairie Dog, Mexican Prairie Marmot
 * Cynops ensicauda — Sword-tail Newt
 * Cynops orphicus — Dayang Newt
 * Cyornis ruckii — Rueck's Blue-flycatcher
 * Cyornis sanfordi — Matinan Flycatcher
 * Cyprinella alvarezdelvillari
 * Cyprinella bocagrande
 * Cyprinella panarcys — Conchos Shiner
 * Cyprinella xanthicara — Cuatro Cienegas Shiner
 * Cyprinodon beltrani
 * Cyprinodon bovinus — Leon Springs pupfish
 * Cyprinodon elegans — Comanche Springs pupfish
 * Cyprinodon fontinalis
 * Cyprinodon labiosus
 * Cyprinodon macrolepis — Largescale pupfish
 * Cyprinodon maya
 * Cyprinodon meeki
 * Cyprinodon pachycephalus
 * Cyprinodon pecosensis — Pecos pupfish
 * Cyprinodon radiosus — Owens pupfish
 * Cyprinodon simus
 * Cyprinodon verecundus
 * Cyprinodon veronicae
 * Cyprinus micristius
 * Cyprogenia aberti — Edible naiad, Edible pearly mussel, Western fan-shell, Western fanshell mussel
 * Cyprogenia stegaria — Fanshell
 * Cyrtopodion amictopholis

D

 * Dactylopsila tatei — Fergusson Island Striped Possum, Tate's Triok
 * Dancea rodriguezensis
 * Danio pathirana — Barred Danio
 * Dasyatis laosensis — Mekong freshwater stingray
 * Dasycercus hillieri — Hillier's Mulgara
 * Dasycrotapha speciosa — Flame-templed Babbler
 * Dasyornis brachypterus — Eastern Bristlebird
 * Dasyprocta coibae — Coiban Agouti
 * Dasyprocta ruatanica — Ruatan Island Agouti
 * Daubentonia madagascariensis — Aye-aye
 * Delanymys brooksi — Delany's Mouse, Delany's Swamp Mouse
 * Deltistes luxatus — Lost River Sucker
 * Dendrobates abditus
 * Dendrobates arboreus — Polkadot Poison Frog
 * Dendrobates bombetes — Cauca Poison Frog
 * Dendrobates lehmanni — Lehmann's Poison Frog, Red-banded Poison Frog
 * Dendrobates mysteriosus — Marañón Poison Frog
 * Dendrobates sirensis
 * Dendrobates speciosus — Splendid Poison Frog
 * Dendrobates steyermarki
 * Dendrobates virolensis
 * Dendrocopos noguchii — Okinawa Woodpecker
 * Dendroica chrysoparia — Golden-cheeked Warbler
 * Dendrolagus goodfellowi — Goodfellow's Tree-kangaroo, Ornate Tree-kangaroo
 * Dendrolagus matschiei — Huon Tree-kangaroo, Matschie's Tree-kangaroo
 * Dendrolagus scottae — Scott's Tree-kangaroo, Tenkile Tree Kangaroo
 * Dendromus kahuziensis — Mt. Kahuzi Climbing Mouse
 * Dendrophryniscus carvalhoi
 * Dendropsophus amicorum
 * Dendropsophus gryllatus
 * Dendropsophus meridensis
 * Dendrotriton bromeliacius
 * Dendrotriton cuchumatanus
 * Dendrotriton rabbi
 * Dendrotriton sanctibarbarus
 * Dermatemys mawii — Central American river turtle, Mesoamerican River Turtle
 * Dermochelys coriacea — Leatherback, Leathery Turtle, Luth, Trunkback Turtle
 * Deronectes aljibensis
 * Desmomys yaldeni — Yalden's Desmomys
 * Dexteria floridana — Florida Fairy Shrimp
 * Dicaeum quadricolor — Cebu Flowerpecker
 * Dicerorhinus sumatrensis — Sumatran Rhinoceros
 * Diceros bicornis — Black Rhinoceros, Hook-lipped Rhinoceros
 * Dicrostonyx vinogradovi — Wrangel Lemming
 * Dicrurus fuscipennis — Grand Comoro Drongo
 * Dicrurus waldenii — Mayotte Drongo
 * Didunculus strigirostris — Tooth-billed Pigeon
 * Didynamipus sjostedti
 * Diglossa gloriosissima — Chestnut-bellied Flower-piercer
 * Diglossa venezuelensis — Venezuelan Flowerpiercer
 * Dinomys branickii — Pacarana
 * Diomedea amsterdamensis — Amsterdam Albatross
 * Diomedea dabbenena — Tristan Albatross
 * Diomedea sanfordi — Northern Royal Albatross
 * Dionda mandibularis
 * Diplodon dunkerianus
 * Diplodon fontaineanus
 * Diploglossus montisserrati — Montserrat Galliwasp
 * Diplommatina cacuminulus
 * Diplommatina madaiensis
 * Diplomystes chilensis
 * Diplothrix legatus — Ryukyu Long-tailed Giant Rat, Ryūkyū Rat
 * Dipodomys gravipes — San Quintin Kangaroo Rat
 * Dipodomys ingens — Giant Kangaroo Rat
 * Dipodomys insularis — San Jose Island Kangaroo Rat
 * Dipodomys margaritae — Margarita Island Kangaroo Rat
 * Dipturus batis — Common skate, Blue skate, Flapper skate, Grey skate
 * Dipturus laevis — Barndoor Skate
 * Dipturus sp. nov. L — Maugean skate
 * Disconaias salinasensis — Salina mucket
 * Discula bulweri
 * Discula lyelliana
 * Discula tabellata — Madeiran land snail
 * Discula testudinalis — Madeiran land snail
 * Discula tetrica
 * Discus guerinianus — Madeiran land snail
 * Disparoneura ramajana
 * Dobsonia beauforti — Beaufort's Naked-backed Fruit Bat
 * Dobsonia chapmani — Negros Naked-backed Fruit Bat, Philippine Bare-backed Fruit Bat
 * Dolapex amiculus
 * Doratogonus furculifer — Badplaas Black Millipede
 * Doratogonus infragilis — Strong Black Millipede
 * Doratogonus major — Major Black Millipede
 * Doratogonus minor — Minor Black Millipede
 * Doratogonus rubipodus — Ruby-legged Black Millipede
 * Doratogonus septentrionalis — Northern Black Millipede
 * Doratogonus zuluensis — Zululand Black Millipede
 * Dorcopsis atrata — Black Dorcopsis Wallaby, Black Dorcopsis, Black Forest-wallaby
 * Draparnaudia anniae
 * Draparnaudia subnecata
 * Drepanosticta adami
 * Drepanosticta austeni
 * Drepanosticta hilaris
 * Drepanosticta montana
 * Drepanosticta submontana
 * Dromus dromas — Dromedary naiad, Dromedary pearly mussel
 * Dryococelus australis — Land Lobster, Lord Howe Island Phasmid, Lord Howe Island Stick-insect
 * Dryomys sichuanensis — Chinese Dormouse
 * Ducula aurorae — Polynesian Imperial-pigeon
 * Ducula cineracea — Timor Imperial-pigeon
 * Ducula galeata — Marquesan Imperial-pigeon
 * Duellmanohyla chamulae
 * Duellmanohyla ignicolor
 * Duellmanohyla lythrodes
 * Duellmanohyla salvavida
 * Duellmanohyla soralia
 * Duellmanohyla uranochroa
 * Dupontia perlucida

E

 * Eastern Wolf
 * Echinotriton andersoni — Anderson's Crocodile Newt
 * Echinotriton chinhaiensis — Chinhai Spiny Newt
 * Ecnomiohyla echinata
 * Ecnomiohyla fimbrimembra
 * Ecnomiohyla minera
 * Ecnomiohyla phantasmagoria
 * Ecnomiohyla salvaje
 * Ecnomiohyla valancifer
 * Economidichthys trichonis
 * Edwardsina gigantea — Giant Torrent Midge
 * Edwardsina tasmaniensis — Tasmanian Torrent Midge
 * Elaphrus viridis — Delta green ground beetle
 * Elaphurus davidianus — Pere David's Deer, Père David's Deer
 * Elattoneura caesia
 * Elattoneura leucostigma
 * Eleothreptus candicans — White-winged Nightjar
 * Elephas maximus — Asian Elephant, Indian Elephant
 * Eleutherodactylus acerus
 * Eleutherodactylus acmonis
 * Eleutherodactylus actinolaimus
 * Eleutherodactylus acutirostris
 * Eleutherodactylus adelus
 * Eleutherodactylus albericoi
 * Eleutherodactylus albipes
 * Eleutherodactylus alcoae
 * Eleutherodactylus alticola
 * Eleutherodactylus amadeus
 * Eleutherodactylus amplinympha
 * Eleutherodactylus andrewsi
 * Eleutherodactylus angustilineata
 * Eleutherodactylus apostates
 * Eleutherodactylus armstrongi
 * Eleutherodactylus atratus
 * Eleutherodactylus auriculatoides
 * Eleutherodactylus bacchus
 * Eleutherodactylus bakeri
 * Eleutherodactylus balionotus
 * Eleutherodactylus barlagnei
 * Eleutherodactylus bartonsmithi
 * Eleutherodactylus baryecuus
 * Eleutherodactylus bellona
 * Eleutherodactylus bernali
 * Eleutherodactylus bisignatus
 * Eleutherodactylus blairhedgesi
 * Eleutherodactylus boconoensis
 * Eleutherodactylus bresslerae
 * Eleutherodactylus brevirostris
 * Eleutherodactylus cabrerai
 * Eleutherodactylus cacao
 * Eleutherodactylus calcaratus
 * Eleutherodactylus capitonis
 * Eleutherodactylus caribe
 * Eleutherodactylus casparii
 * Eleutherodactylus cavernicola
 * Eleutherodactylus chlorophenax
 * Eleutherodactylus chrysops
 * Eleutherodactylus colomai
 * Eleutherodactylus cooki
 * Eleutherodactylus corona
 * Eleutherodactylus cosnipatae
 * Eleutherodactylus counouspeus
 * Eleutherodactylus cremnobates
 * Eleutherodactylus crenunguis
 * Eleutherodactylus cryophilius
 * Eleutherodactylus cryptomelas
 * Eleutherodactylus cubanus
 * Eleutherodactylus darlingtoni
 * Eleutherodactylus degener
 * Eleutherodactylus deinops
 * Eleutherodactylus dennisi
 * Eleutherodactylus devillei
 * Eleutherodactylus dilatus
 * Eleutherodactylus dissimulatus
 * Eleutherodactylus dixoni
 * Eleutherodactylus dolomedes
 * Eleutherodactylus dorsopictus
 * Eleutherodactylus elassodiscus
 * Eleutherodactylus emiliae
 * Eleutherodactylus emleni
 * Eleutherodactylus eneidae — Elegant Coqui, Eneida's Coqui
 * Eleutherodactylus etheridgei
 * Eleutherodactylus eugeniae
 * Eleutherodactylus eunaster
 * Eleutherodactylus euphronides
 * Eleutherodactylus fallax
 * Eleutherodactylus fetosus
 * Eleutherodactylus fowleri
 * Eleutherodactylus furcyensis
 * Eleutherodactylus fuscus
 * Eleutherodactylus gentryi
 * Eleutherodactylus ginesi
 * Eleutherodactylus gladiator
 * Eleutherodactylus glamyrus
 * Eleutherodactylus glandulifer
 * Eleutherodactylus glanduliferoides
 * Eleutherodactylus glandulosus
 * Eleutherodactylus glaphycompus
 * Eleutherodactylus grabhami
 * Eleutherodactylus grahami
 * Eleutherodactylus grandis
 * Eleutherodactylus greyi
 * Eleutherodactylus griphus
 * Eleutherodactylus gryllus — Cricket Coqui, Green Coqui
 * Eleutherodactylus guanahacabibes
 * Eleutherodactylus gundlachi
 * Eleutherodactylus haitianus
 * Eleutherodactylus hamiotae
 * Eleutherodactylus hedricki — Hedrick's Coqui, Treehole Coqui
 * Eleutherodactylus helonotus
 * Eleutherodactylus helvolus
 * Eleutherodactylus heminota
 * Eleutherodactylus hernandezi
 * Eleutherodactylus hypostenor
 * Eleutherodactylus iberia
 * Eleutherodactylus ignicolor
 * Eleutherodactylus incanus
 * Eleutherodactylus insignitus
 * Eleutherodactylus intermedius
 * Eleutherodactylus ionthus
 * Eleutherodactylus jamaicensis
 * Eleutherodactylus jasperi — Golden Coqui Frog, Golden Coqui
 * Eleutherodactylus jaumei
 * Eleutherodactylus johannesdei
 * Eleutherodactylus jorgevelosai
 * Eleutherodactylus jugans
 * Eleutherodactylus junori
 * Eleutherodactylus karlschmidti — Stream Coqui, Web-footed Coquí, Karl's Robber Frog
 * Eleutherodactylus katoptroides
 * Eleutherodactylus klinikowskii
 * Eleutherodactylus laevissimus
 * Eleutherodactylus lamprotes
 * Eleutherodactylus lancinii
 * Eleutherodactylus latens
 * Eleutherodactylus leberi
 * Eleutherodactylus lemur
 * Eleutherodactylus lentus — Yellow Mottled Coqui
 * Eleutherodactylus leoncei
 * Eleutherodactylus lichenoides
 * Eleutherodactylus lividus
 * Eleutherodactylus locustus — Locust Coqui
 * Eleutherodactylus loustes
 * Eleutherodactylus lucioi
 * Eleutherodactylus luteolus
 * Eleutherodactylus maculosus
 * Eleutherodactylus mariposa
 * Eleutherodactylus mars
 * Eleutherodactylus melacara
 * Eleutherodactylus merostictus
 * Eleutherodactylus minutus
 * Eleutherodactylus mnionaetes
 * Eleutherodactylus modipeplus
 * Eleutherodactylus montanus
 * Eleutherodactylus museosus
 * Eleutherodactylus nortoni
 * Eleutherodactylus nubicola
 * Eleutherodactylus ocreatus
 * Eleutherodactylus olanchano
 * Eleutherodactylus orcutti
 * Eleutherodactylus orestes
 * Eleutherodactylus orientalis
 * Eleutherodactylus oxyrhyncus
 * Eleutherodactylus parabates
 * Eleutherodactylus paramerus
 * Eleutherodactylus parapelates
 * Eleutherodactylus parectatus
 * Eleutherodactylus pastazensis
 * Eleutherodactylus patriciae
 * Eleutherodactylus paulsoni
 * Eleutherodactylus pechorum
 * Eleutherodactylus percultus
 * Eleutherodactylus pezopetrus
 * Eleutherodactylus phragmipleuron
 * Eleutherodactylus pinarensis
 * Eleutherodactylus pinchoni
 * Eleutherodactylus pituinus
 * Eleutherodactylus polychrus
 * Eleutherodactylus poolei
 * Eleutherodactylus portoricensis — Upland Coqui
 * Eleutherodactylus principalis
 * Eleutherodactylus probolaeus
 * Eleutherodactylus prolatus
 * Eleutherodactylus proserpens
 * Eleutherodactylus pteridophilus
 * Eleutherodactylus pycnodermis
 * Eleutherodactylus pyrrhomerus
 * Eleutherodactylus renjiforum
 * Eleutherodactylus rhodesi
 * Eleutherodactylus rhodoplichus
 * Eleutherodactylus richmondi — Bronze Coqui, Richmond's Coqui
 * Eleutherodactylus rivularis
 * Eleutherodactylus rubicundus
 * Eleutherodactylus rufescens
 * Eleutherodactylus rufifemoralis
 * Eleutherodactylus ruizi
 * Eleutherodactylus ruthae
 * Eleutherodactylus ruthveni
 * Eleutherodactylus sandersoni
 * Eleutherodactylus saxatilis
 * Eleutherodactylus schmidti
 * Eleutherodactylus schwartzi — Virgin Islands Coqui
 * Eleutherodactylus sciagraphus
 * Eleutherodactylus scoloblepharus
 * Eleutherodactylus scolodiscus
 * Eleutherodactylus semipalmatus
 * Eleutherodactylus shrevei
 * Eleutherodactylus simonbolivari
 * Eleutherodactylus simoteriscus
 * Eleutherodactylus simulans
 * Eleutherodactylus siopelus
 * Eleutherodactylus sisyphodemus
 * Eleutherodactylus sobetes
 * Eleutherodactylus spilogaster
 * Eleutherodactylus suetus
 * Eleutherodactylus sulculus
 * Eleutherodactylus surdus
 * Eleutherodactylus symingtoni
 * Eleutherodactylus syristes — Piping Peeping Frog
 * Eleutherodactylus tenebrionis
 * Eleutherodactylus tetajulia
 * Eleutherodactylus thomasi
 * Eleutherodactylus thorectes
 * Eleutherodactylus thymalopsoides
 * Eleutherodactylus toa
 * Eleutherodactylus tonyi
 * Eleutherodactylus torrenticola
 * Eleutherodactylus trepidotus
 * Eleutherodactylus tribulosus
 * Eleutherodactylus truebae
 * Eleutherodactylus turquinensis
 * Eleutherodactylus turumiquirensis
 * Eleutherodactylus unicolor — Dwarf Coqui, Elfin Coqui
 * Eleutherodactylus urichi
 * Eleutherodactylus veletis
 * Eleutherodactylus ventrilineatus
 * Eleutherodactylus vidua
 * Eleutherodactylus viridicans
 * Eleutherodactylus vulcani
 * Eleutherodactylus warreni
 * Eleutherodactylus wightmanae — Melodius Coqui
 * Eleutherodactylus zeus
 * Eleutherodactylus zongoensis
 * Eleutherodactylus zophus
 * Eleutherodactylus zugi
 * Elimia ampla — Round rocksnail
 * Elimia annettae — Lily shoals elimia
 * Eliurus majori — Major's Tufted-tailed Rat
 * Eliurus penicillatus — White-tipped Tufted-tailed Rat
 * Elliptio chipolaensis — Chipola slabshell
 * Elliptio spinosa — Altamaha spinymussel, Georgia spiny mussel
 * Elliptio steinstansana — Tar River spiny mussel, Tar River spinymussel
 * Elliptoideus sloatianus — Purple bankclimber
 * Ellobius alaicus — Alai Mole Vole
 * Elseya bellii — Namoi River Snapping Turtle
 * Elusor macrurus — Mary River Turtle
 * Emballonura semicaudata — Pacific Sheath-tailed Bat, Polynesian Sheath-tailed Bat
 * Encheloclarias curtisoma
 * Encheloclarias kelioides
 * Endodonta apiculata
 * Engaeus australis — Lilly Pilly Burrowing Crayfish
 * Engaeus curvisuturus
 * Engaeus disjuncticus
 * Engaeus granulatus
 * Engaeus mallacoota — Mallacoota Burrowing Crayfish
 * Engaeus martigener — Furneaux Burrowing Crayfish
 * Engaeus nulloporius
 * Engaeus orramakunna — Mount Arthur Burrowing Crayfish
 * Engaeus rostrogaleatus — Strzelecki Burrowing Crayfish
 * Engaeus spinicaudatus — Scottsdale Burrowing Crayfish
 * Engaeus sternalis — Warragul Burrowing Crayfish
 * Engaeus urostrictus
 * Engaewa similis
 * Enhydra lutris — Sea Otter
 * Enterochromis paropius
 * Eos histrio — Red-and-blue Lory
 * Epigomphus camelus — Humped Knobtail
 * Epigomphus clavatus — Guatemalan Knobtail
 * Epigomphus corniculatus — Horned Knobtail
 * Epigomphus donnellyi — Donnelly's Knobtail
 * Epigomphus echeverrii — Volcano Knobtail
 * Epigomphus flinti — Flint's Knobtail
 * Epigomphus houghtoni — Limón Knobtail
 * Epigomphus maya — Maya Knobtail
 * Epigomphus paulsoni — Paulson's Knobtail
 * Epigomphus subsimilis — Alajuela Knobtail
 * Epigomphus sulcatistyla — Tuxtla Knobtail
 * Epigomphus verticicornis — Cartago Knobtail
 * Epigomphus westfalli — Westfall's Knobtail
 * Epinephelus akaara — Hong Kong grouper
 * Epinephelus drummondhayi — Calico grouper, Kitty mitchell, Speckled hind, Strawberry grouper
 * Epinephelus itajara — Goliath grouper, Jewfish
 * Epinephelus marginatus — Dusky grouper
 * Epinephelus nigritus — Black grouper, Black jewfish, Warsaw grouper
 * Epinephelus striatus — Nassau Grouper
 * Epioblasma brevidens — Cumberlandian combshell
 * Epioblasma capsaeformis — Oyster mussel
 * Epioblasma metastriata — Upland combshell
 * Epioblasma othcaloogensis — Southern acorn riffle shell, Southern acornshell
 * Epioblasma penita — Penitent mussel, Southern combshell
 * Epipedobates ingeri
 * Epipedobates planipaleae — Oxapampa Poison Frog
 * Epipedobates tricolor
 * Eptesicus guadeloupensis — Guadeloupe Big Brown Bat
 * Equus africanus — African Ass, African Wild Ass, Ass
 * Equus grevyi — Grevy's Zebra
 * Equus zebra — Mountain Zebra
 * Erebonectes nesioticus
 * Eremomela turneri — Turner's Eremomela
 * Erepta odontina
 * Erepta stylodon
 * Eretmochelys imbricata — Hawksbill Turtle
 * Ericabatrachus baleensis
 * Eriocnemis godini — Turquoise-throated Puffleg
 * Eriocnemis mirabilis — Colourful Puffleg
 * Eriocnemis nigrivestis — Black-breasted Puffleg
 * Eropeplus canus — Sulawesi Soft-furred Rat
 * Erymnochelys madagascariensis — Madagascar Big-headed Turtle, Madagascar Sideneck Turtle
 * Erythrura gouldiae — Gouldian Finch
 * Etheostoma boschungi — Slackwater Darter
 * Etheostoma nuchale — Watercress Darter
 * Etheostoma okaloosae — Okaloosa Darter
 * Eua zebrina
 * Euastacus bindal
 * Euastacus crassus
 * Euastacus diversus
 * Euastacus jagara
 * Euastacus maidae
 * Euastacus monteithorum
 * Euastacus robertsi
 * Euastacus urospinosus
 * Euastacus yigara
 * Eubalaena glacialis — North Atlantic Right Whale
 * Eubalaena japonica — North Pacific Right Whale
 * Euchondrus ramonensis
 * Euchoreutes naso — Long-eared Jerboa
 * Eudontomyzon hellenicus — Greek lamprey
 * Eudyptes sclateri — Erect-crested Penguin
 * Eulamprus leuraensis — Blue Mountain Water Skink
 * Eulidia yarrellii — Chilean Woodstar
 * Eumeces longirostris — Bermuda Rock Lizard, Bermuda Rock Skink, Bermudian Rock Lizard, Bermudian Rock Skink
 * Eumetopias jubatus — Northern Sealion, Steller Sea Lion, Steller's Sea Lion, Steller's Sealion
 * Eunymphicus cornutus — Horned Parakeet
 * Eunymphicus uvaeensis — Uvea Parakeet
 * Euonyma curtissima
 * Eupetaurus cinereus — Woolly Flying Squirrel
 * Eupherusa cyanophrys — Blue-capped Hummingbird
 * Eupleres goudotii — Falanouc, Fanalouc, Malagasy Mongoose, Slender Fanalouc, Small-toothed Mongoose
 * Euploea albicosta — Biak Dark Crow
 * Euploea caespes — Murphy's Crow
 * Euploea mitra — Seychelles Crow
 * Euploea tripunctata — Biak Threespot Crow
 * Euproctus platycephalus — Sardinian Brook Salamander, Sardinian Mountain Newt
 * Euproserpinus wiesti — Prairie Sphinx Moth
 * Eupsophus contulmoensis
 * Eupsophus insularis
 * Eupsophus migueli
 * Eupsophus nahuelbutensis
 * Eurochelidon sirintarae — White-eyed River-martin
 * Euroscaptor parvidens — Small-toothed Mole
 * Eurycea naufragia — Georgetown Salamander
 * Eurycea tonkawae — Jollyville Plateau Salamander
 * Eurynorhynchus pygmeus — Spoon-billed Sandpiper
 * Eutrichomyias rowleyi — Caerulean Paradise-flycatcher
 * Eutriorchis astur — Madagascar Serpent-eagle
 * Exerodonta catracha
 * Exerodonta chimalapa
 * Exerodonta perkinsi

F

 * Falco cherrug — Saker Falcon
 * Falkneri camerani
 * Fallicambarus harpi
 * Fallicambarus hortoni — Hatchie Burrowing Crayfish
 * Fallicambarus petilicarpus
 * Fejervarya greenii
 * Fejervarya murthii
 * Fejervarya nilagirica
 * Fenouilia kreitneri
 * Ferminia cerverai — Zapata Wren
 * Feroculus feroculus — Kelaart's Long-clawed Shrew
 * Ficedula bonthaina — Lompobatang Flycatcher
 * Flectonotus fitzgeraldi
 * Fonscochlea billakalina
 * Formicivora erythronotos — Black-hooded Antwren
 * Formicivora littoralis — Restinga Antwren
 * Foudia rubra — Mauritius Fody
 * Francolinus camerunensis — Mount Cameroon Francolin
 * Francolinus nahani — Nahan's Francolin
 * Francolinus ochropectus — Djibouti Francolin
 * Fregata andrewsi — Christmas Island Frigatebird
 * Fusconaia cor — Shiny Pigtoe
 * Fusconaia cuneolus — Fine-rayed Pigtoe Pearly Mussel, Fine-rayed Pigtoe
 * Fusconaia escambia — Narrow Pigtoe
 * Fusconaia masoni — Atlantic Pigtoe

G

 * Galago rondoensis — Rondo Dwarf Galago
 * Galaxias fontanus — Swan galaxias
 * Galaxias fuscus — Barred galaxias
 * Galaxias johnstoni — Clarence galaxias
 * Galaxias pedderensis — Pedder galaxias
 * Galidictis grandidieri — Giant-striped Mongoose
 * Gallicolumba crinigera — Mindanao Bleeding-heart
 * Gallicolumba erythroptera — Polynesian Ground-dove
 * Gallicolumba hoedtii — Wetar Ground-dove
 * Gallicolumba keayi — Negros Bleeding-heart
 * Gallicolumba menagei — Sulu Bleeding-heart
 * Gallicolumba platenae — Mindoro Bleeding-heart
 * Gallicolumba rubescens — Marquesan Ground-dove
 * Gallicolumba sanctaecrucis — Santa Cruz Ground-dove
 * Gallinula pacifica — Samoan Moorhen
 * Gallinula silvestris — Makira Moorhen
 * Gallirallus lafresnayanus — New Caledonian Rail
 * Gallirallus okinawae — Okinawa Rail
 * Gallirallus sylvestris — Lord Howe Woodhen
 * Gallotia bravoana — La Gomera Giant Lizard
 * Gallotia intermedia — Tenerife Speckled Lizard
 * Gallotia simonyi — El Hierro Giant Lizard, Hierro Giant Lizard
 * Gambelia sila — Blunt-nosed Leopard Lizard, San Joaquin Leopard Lizard
 * Gambusia eurystoma — Guayacon Bocon
 * Gammarus acherondytes — Illinois Cave Amphipod
 * Gammarus desperatus — Noel's Amphipod
 * Garra ghorensis
 * Garrulax cachinnans — Rufous-breasted Laughingthrush
 * Garrulax yersini — Collared Laughingthrush
 * Gastrotheca bufona
 * Gastrotheca christiani
 * Gastrotheca espeletia
 * Gastrotheca lauzuricae
 * Gastrotheca litonedis
 * Gastrotheca orophylax
 * Gastrotheca ovifera
 * Gastrotheca pseustes
 * Gastrotheca psychrophila
 * Gastrotheca riobambae
 * Gastrotheca ruizi
 * Gastrotheca splendens
 * Gastrotheca stictopleura
 * Gastrotheca trachyceps
 * Gastrotheca zeugocystis
 * Gavialis gangeticus — Fish-eating Crocodile, Gavial, Gharial, Long-nosed Crocodile
 * Gazella cuvieri — Cuvier's Gazelle, Edmi Gazelle, Idmi
 * Gazella dama — Addra Gazelle, Dama Gazelle
 * Gazella leptoceros — Rhim Gazelle, Sand Gazelle, Slender-horned Gazelle
 * Genetta cristata — Crested Genet
 * Geobatrachus walkeri
 * Geochelone platynota — Burmese Star Tortoise, Flatback Tortoise
 * Geochelone yniphora — Angonoka, Madagascar Angulated Tortoise, Madagascar Tortoise
 * Geocrinia alba — White-bellied Frog
 * Geoemyda japonica — Ryukyu Black-breasted Leaf Turtle, Ryukyu Leaf Turtle
 * Geoemyda silvatica — Cane Turtle, Cochin Forest Cane Turtle, Kavalai Forest Turtle
 * Geoemyda spengleri — Black-breasted Hill Turtle, Black-breasted Leaf Turtle
 * Geomitra coronata
 * Geomitra delphinuloides
 * Geomitra moniziana — Madeiran land snail
 * Geomitra tiarella
 * Geothlypis beldingi — Belding's Yellowthroat
 * Geothlypis speciosa — Black-polled Yellowthroat
 * Geotrygon carrikeri — Tuxtla Quail-dove
 * Geronticus eremita — Northern Bald Ibis
 * Gerygone hypoxantha — Biak Gerygone
 * Gila elegans — Bonytail chub
 * Gila modesta — Charalito Saltillo
 * Gila nigrescens — Charalito Chihuahua
 * Girardinichthys viviparus — Mexclapique
 * Glaucis dohrnii — Hook-billed Hermit
 * Glirulus japonicus — Japanese Dormouse
 * Glischropus javanus — Javan Thick-thumbed Bat
 * Globonautes macropus — Tree Hole Crab
 * Glossolepis wanamensis — Lake Wanam rainbowfish
 * Glyphis gangeticus — Ganges Shark
 * Glyphis glyphis — Speartooth shark
 * Glyphis sp. nov. A — Bizant River Shark
 * Glyphis sp. nov. C — New Guinea river shark, Northern river shark
 * Glyptophysa petiti
 * Glyptorhagada silveri
 * Gobio benacensis
 * Gomphidia pearsoni
 * Gomphus lynnae — Columbia Clubtail
 * Gomphus sandrius — Tennessee Clubtail
 * Gonepteryx maderensis
 * Gonospira deshayesi
 * Gonospira duponti
 * Gonospira uvula
 * Gonyostomus gonyostomus
 * Gorilla beringei — Eastern Gorilla, Mountain Gorilla
 * Gorilla gorilla — Gorilla, Western Gorilla
 * Gorsachius goisagi — Japanese Night-heron
 * Gorsachius magnificus — White-eared Night-heron
 * Gracilinanus aceramarcae — Aceramarca Gracile Mouse Opossum, Bolivian Gracile Opossum
 * Grallaria chthonia — Táchira Antpitta
 * Grallaria milleri — Brown-banded Antpitta
 * Grallaria ridgelyi — Jocotoco Antpitta
 * Grallaricula ochraceifrons — Ochre-fronted Antpitta
 * Grammomys gigas — Giant Thicket Rat
 * Grandisonia brevis
 * Graphium levassori
 * Graphium sandawanum — Apo Swallowtail
 * Graptemys flavimaculata — Yellow Blotched Sawback, Yellow-blotched Map Turtle
 * Graptemys oculifera — Ringed Map Turtle, Ringed Sawback
 * Graptodytes delectus
 * Graziana klazenfurtensis
 * Grus americana — Whooping Crane
 * Grus japonensis — Red-crowned Crane
 * Grus leucogeranus — Siberian Crane
 * Guaruba guarouba — Golden Parakeet
 * Gubernatrix cristata — Yellow Cardinal
 * Gulella antelmeana
 * Gulella aprosdoketa
 * Gulella claustralis
 * Gulella puzeyi
 * Gulella salpinx
 * Gulella taitensis
 * Gulella thomasseti
 * Gulickia alexandri
 * Gymnobelideus leadbeateri — Leadbeater's Possum
 * Gymnocharacinus bergii — Naked characin
 * Gymnocrex talaudensis — Talaud Rail
 * Gymnogyps californianus — California Condor
 * Gymnomyza aubryana — Crow Honeyeater
 * Gymnomyza samoensis — Mao
 * Gyps bengalensis — White-rumped Vulture
 * Gyps indicus — Indian Vulture
 * Gyps tenuirostris — Slender-billed Vulture
 * Gyraulus cockburni
 * Gyrinophilus gulolineatus — Berry Cave Salamander
 * Gyrinophilus subterraneus — West Virginia Spring Salamander

H

 * Habia atrimaxillaris — Black-cheeked Ant-tanager
 * Habromys simulatus — Jico Deer Mouse
 * Hacrochlamys lineolatus
 * Haematopinus oliveri — Pygmy Hog Sucking Louse
 * Haematopus chathamensis — Chatham Island Oystercatcher
 * Haliaeetus vociferoides — Madagascar Fish-eagle
 * Haliotis cracherodii — Black Abalone
 * Haliotis kamtschatkana — Northern abalone, Pinto abalone
 * Hampala lopezi
 * Hapalemur aureus — Golden Bamboo Lemur, Golden Lemur
 * Hapalemur simus — Broad-nosed Gentle Lemur, Greater Bamboo Lemur
 * Hapalopsittaca fuertesi — Fuertes's Parrot
 * Haplochromis annectidens
 * Haplochromis argenteus
 * Haplochromis barbarae
 * Haplochromis bayoni
 * Haplochromis brownae
 * Haplochromis cavifrons
 * Haplochromis chromogynos
 * Haplochromis cryptodon
 * Haplochromis cyaneus
 * Haplochromis desfontainii
 * Haplochromis erythromaculatus
 * Haplochromis flaviijosephi
 * Haplochromis flavus
 * Haplochromis guiarti
 * Haplochromis heusinkveldi
 * Haplochromis howesi
 * Haplochromis latifasciata
 * Haplochromis maculipinna
 * Haplochromis megalops
 * Haplochromis melanopterus
 * Haplochromis mento
 * Haplochromis microdon
 * Haplochromis phytophagus
 * Haplochromis piceatus
 * Haplochromis plagiodon
 * Haplochromis plagiostoma
 * Haplochromis simpsoni
 * Haplochromis sp. nov. 'Amboseli'
 * Haplochromis sp. nov. 'ruby'
 * Haplochromis spekii
 * Haplochromis venator
 * Haplochromis victorianus
 * Haplochromis worthingtoni
 * Harmogenanina implicata
 * Harpyhaliaetus coronatus — Crowned Eagle
 * Hauffenia kerschneri
 * Hauffenia wienerwaldensis
 * Heleophryne hewitti — Hewitt's Ghost Frog
 * Heleophryne rosei — Rose's Ghost Frog, Table Mountain Ghost Frog
 * Heliangelus regalis — Royal Sunangel
 * Helicina rostrata
 * Heliconius nattereri — Natterer's Longwing
 * Helicostyla smargadina
 * Heliogomphus ceylonicus
 * Heliogomphus lyratus
 * Heliogomphus nietneri
 * Helix ceratina
 * Helix texta
 * Helminthoglypta callistoderma — Kern shoulderband
 * Helminthoglypta walkeriana — Banded dune snail, Morro shoulderband
 * Hemicordulia ogasawarensis
 * Hemicycla saulcyi
 * Hemignathus lucidus — Nukupu'u
 * Hemignathus munroi — 'Akiapola'au
 * Hemigrammocapoeta kemali
 * Hemiphractus johnsoni
 * Hemisaga elongata
 * Hemistena lata — Cracking Pearlymussel
 * Hemistoma beaumonti
 * Hemistoma pusillior
 * Hemistoma whiteleggei
 * Hemitragus hylocrius — Nilgiri Tahr
 * Hemitragus jayakari — Arabian Tahr
 * Hemitriakis leucoperiptera — Whitefin topeshark
 * Hemitriccus kaempferi — Kaempfer's Tody-tyrant
 * Heosemys depressa — Arakan Forest Turtle
 * Heosemys leytensis — Philippine Pond Turtle
 * Heosemys spinosa — Spiny Terrapin, Spiny Turtle, Sunburst Turtle
 * Herpestes palustris — Bengal Mongoose, Marsh Mongoose
 * Herpsilochmus parkeri — Ash-throated Antwren
 * Hesperoptenus doriae — False Serotine Bat
 * Heterocyclus perroquini
 * Heterocyclus petiti
 * Heteroglaux blewitti — Forest Owlet
 * Heteromirafra archeri — Archer's Lark
 * Heteromys nelsoni — Nelson's Spiny Pocket Mouse
 * Hexaprotodon liberiensis — Pygmy Hippopotamus
 * Hieremys annandalii — Yellow-headed Temple Turtle
 * Hierophis cypriensis — Cyprus Whip Snake
 * Himantopus novaezelandiae — Black Stilt
 * Himantura fluviatilis — Ganges stingray
 * Himantura oxyrhyncha — Marbled freshwater stingray
 * Himantura signifer — White-edge freshwater whipray
 * Hippocamelus bisulcus — Chilean Guemal, Chilean Huemul, South Andean Deer, South Andean Huemul
 * Hippocampus capensis — Cape seahorse, Knysna seahorse
 * Hippoglossus hippoglossus — Atlantic halibut
 * Hipposideros durgadasi — Khajuria's Leaf-nosed Bat
 * Hipposideros hypophyllus — Kolar Leaf-nosed Bat
 * Hipposideros lamottei — Lamotte's Roundleaf Bat
 * Hipposideros marisae — Aellen's Roundleaf Bat
 * Hipposideros nequam — Malayan Roundleaf Bat
 * Hipposideros turpis — Lesser Great Leaf-nosed Bat, Lesser Roundleaf Bat
 * Hirasea acutissima
 * Hirasea chichijimana
 * Hirasea diplomphalus
 * Hirasea insignis
 * Hirasea operculina
 * Hirinaba curytibana
 * Hirthia littorina
 * Holoaden bradei
 * Hoplophryne rogersi — Usambara Blue-bellied Frog
 * Houbaropsis bengalensis — Bengal Florican
 * Hubbsina turneri
 * Hucho hucho — Danube Salmon, Huchen
 * Hucho perryi — Japanese Huchen, Sakhalin Taimen, Sea-run Taimen, Stringfish
 * Humblotia flavirostris — Grand Comoro Flycatcher
 * Huso dauricus — Kaluga
 * Huso huso — Beluga, European Sturgeon, Giant Sturgeon, Great Sturgeon
 * Hyalinobatrachium cardiacalyptum
 * Hyalinobatrachium crybetes
 * Hyalinobatrachium esmeralda
 * Hyalinobatrachium guairarepanensis
 * Hyalinobatrachium pallidum
 * Hyalinobatrachium pellucidum
 * Hybognathus amarus — Rio Grande Minnow
 * Hybomys basilii — Bioko Hybomys, Father Basilio's Striped Mouse
 * Hybomys eisentrauti — Eisentraut's Hybomys, Eisentraut's Striped Mouse
 * Hydrotarsus compunctus
 * Hydrotarsus pilosus
 * Hyetornis rufigularis — Bay-breasted Cuckoo
 * Hyla bocourti
 * Hyla chlorostea
 * Hylaeothemis fruhstorferi
 * Hyliota usambara — Usambara Hyliota
 * Hylobates moloch — Silvery Gibbon
 * Hylomantis lemur
 * Hylomys hainanensis — Hainan Gymnure
 * Hylomys parvus — Dwarf Gymnure
 * Hylomyscus baeri — Baer's Hylomyscus, Baer's Wood Mouse
 * Hylomyscus grandis — Mt Oku Hylomyscus
 * Hylopetes alboniger — Particolored Flying Squirrel
 * Hylopetes sipora — Sipora Flying Squirrel
 * Hylopetes winstoni — Sumatran Flying Squirrel
 * Hyloscirtus charazani
 * Hyloscirtus colymba
 * Hyloscirtus denticulentus
 * Hyloscirtus lynchi
 * Hyloscirtus pantostictus
 * Hyloscirtus piceigularis
 * Hyloscirtus psarolaimus
 * Hyloscirtus ptychodactylus
 * Hyloscirtus simmonsi
 * Hyloscirtus staufferorum
 * Hymenolaimus malacorhynchos — Blue Duck
 * Hynobius abei — Abe's Salamander
 * Hynobius amjiensis
 * Hynobius chinensis
 * Hynobius dunni — Oita Salamander
 * Hynobius formosanus
 * Hynobius hidamontanus — Hakuba Salamander, Japanese Mountain Salamander
 * Hynobius okiensis — Oki Salamander
 * Hynobius sonani
 * Hynobius takedai — Hokuriku Salamander
 * Hynobius yunanicus
 * Hyperolius bobirensis
 * Hyperolius dintelmanni
 * Hyperolius kihangensis
 * Hyperolius leleupi
 * Hyperolius leucotaenius
 * Hyperolius nienokouensis
 * Hyperolius nimbae
 * Hyperolius pickersgilli — Pickersgill's Reed Frog
 * Hyperolius rubrovermiculatus
 * Hyperolius tannerorum
 * Hyperolius thomensis
 * Hyperolius torrentis
 * Hypogeomys antimena — Malagasy Giant Rat
 * Hypolestes clara — Jamaican Hypolestes
 * Hypomesus transpacificus — Delta smelt
 * Hypopyrrhus pyrohypogaster — Red-bellied Grackle
 * Hypsiboas cymbalum
 * Hypsugo anthonyi — Anthony's Pipistrelle
 * Hypsugo joffrei — Joffre's Pipistrelle

I

 * Iberolacerta aranica — Aran Rock Lizard
 * Iberolacerta aurelioi — Aurelio's rock lizard
 * Iberolacerta cyreni
 * Iberolacerta martinezricai
 * Icterus oberi — Montserrat Oriole
 * Ideopsis hewitsonii — Hewitson's Small Tree-nymph
 * Idiostatus middlekaufi — Middlekauf's Shieldback Katydid
 * Idunella sketi
 * Iglica kleinzellensis
 * Ilyodon whitei
 * Indirana brachytarsus
 * Indirana diplosticta
 * Indirana gundia
 * Indirana leptodactyla
 * Indirana phrynoderma
 * Indolestes boninensis
 * Indotestudo elongata — Elongated Tortoise, Pineapple Tortoise, Red-nosed Tortoise, Yellow Tortoise, Yellow-headed Tortoise
 * Indotestudo forstenii — Celebes Tortoise, Forsten's Tortoise, Travancore Tortoise
 * Indri indri — Indri
 * Inflectarius magazinensis — Magazine mountain middle-toothed snail, Magazine mountain shagreen
 * Ingolfiella longipes
 * Insuetophrynus acarpicus
 * Insulivitrina reticulata
 * Io fluvialis — Spiny river snail
 * Ischnura gemina — San Francisco Forktail
 *  Island Fox
 * Isogomphodon oxyrhynchus — Daggernose shark
 * Isolobodon portoricensis — Puerto Rican Hutia
 * Isthmohyla angustilineata
 * Isthmohyla calypsa
 * Isthmohyla debilis
 * Isthmohyla graceae
 * Isthmohyla insolita
 * Isthmohyla picadoi
 * Isthmohyla rivularis
 * Isthmohyla tica
 * Ixalodectes flectocercus
 * Ixalotriton niger
 * Ixalotriton parva
 * Ixos siquijorensis — Streak-breasted Bulbul

J

 * Janetaescincus braueri — Brauer's Burrowing Skink
 * Janetaescincus veseyfitzgeraldi — Vesey-Fitzgerald's Burrowing Skink
 * Jardinella acuminata
 * Jardinella colmani
 * Jardinella jesswiseae
 * Jardinella pallida
 * Joiceya praeclarus
 * Junco insularis — Guadalupe Junco

K

 * Kachuga dhongoka — Three-striped Roof Turtle
 * Kachuga kachuga — Bengal Roof Turtle, Red-crowned Roofed Turtle
 * Kachuga sylhetensis — Assam Roofed Turtle
 * Kachuga trivittata — Burmese Roofed Turtle
 * Kakapo parrot
 * Kalocora aurea — Black-banded Bannerwing
 * Kalophrynus palmatissimus
 * Kapcypriodopsis barnardi
 * Kawanphila pachomai
 * Kerivoula africana — Tanzanian Woolly Bat
 * Ketupa blakistoni — Blakiston's Fish-owl
 * Kimboraga exanimus
 * Kiunga ballochi — Glass Blue-eye
 * Knipowitschia ephesi
 * Knipowitschia mermere
 * Knipowitschia milleri
 * Knipowitschia thessala — Thessalogovinós
 * Kondoconcha othnius
 * Konia dikume — Dikume
 * Konia eisentrauti — Konye
 * Kupeornis gilberti — White-throated Mountain-babbler
 * Kupero Zenguana

L

 * Labeo fisheri — Green Labeo, Mountain Labeo
 * Labeo lankae
 * Labeo mesops — Tana Labeo
 * Labeo seeberi — Clanwilliam Sandfish
 * Labidura herculeana — Saint Helena Giant Earwig
 * Lacerta clarkorum
 * Lacerta fraasii — Fraas' Lizard
 * Lacerta kulzeri
 * Laevicaulis haroldi — Purcell's hunter slug
 * Laminella sanguinea
 * Lamottemys okuensis — Mt. Oku Rat
 * Lampedusa melitensis
 * Lamprocystis hahajimana
 * Lamprologus kungweensis
 * Lamprophis geometricus — Seychelles House Snake
 * Lampsilis abrupta — Pink mucket
 * Lampsilis altilis — Fine-lined pocketbook
 * Lampsilis cariosa — Yellow lampmussel
 * Lampsilis higginsii — Higgins' eye pearly mussel
 * Lampsilis powellii — Arkansas fatmucket
 * Lampsilis rafinesqueana — Neosho mucket, Neosho pearly mussel
 * Lampsilis streckeri — Speckled pocketbook
 * Lampsilis virescens — Alabama lamp naiad, Alabama lamp pearly mussel, Alabama lampmussel
 * Laniarius amboimensis — Gabela Bush-shrike
 * Laniarius brauni — Orange-breasted Bush-shrike
 * Laniarius liberatus — Bulo Burti Boubou
 * Lanistes alexandri
 * Lanistes farleri
 * Lanistes nasutus
 * Lanistes neritoides
 * Lanistes nyssanus
 * Lanistes solidus
 * Lanistes stuhlmanni
 * Lanius newtoni — São Tomé Fiscal
 * Lantzia carinata
 * Larus bulleri — Black-billed Gull
 * Lasiorhinus krefftii — Northern Hairy-nosed Wombat, Queensland Hairy-nosed Wombat
 * Lasmigona decorata — Carolina heelsplitter
 * Laterallus levraudi — Rusty-flanked Crake
 * Laterallus tuerosi — Junín Rail
 * Lates angustifrons — Tanganyika lates
 * Lates macrophthalmus — Albert lates
 * Lates microlepis — Forktail lates
 * Lathamus discolor — Swift Parrot
 * Latidens salimalii — Salim Ali's Fruit Bat
 * Latimeria chalumnae — Coelacanth, Gombessa
 * Leiopelma archeyi — Archey's Frog
 * Leiopelma hamiltoni — Hamilton's Frog, Stephens Island Frog
 * Leiostyla abbreviata — Madeiran land snail
 * Leiostyla cassida — Madeiran land snail
 * Leiostyla gibba — Madeiran land snail
 * Leiostyla heterodon
 * Leiostyla simulator
 * Lemiox rimosus — Birdwing pearlymussel
 * Leontopithecus caissara — Black-faced Lion Tamarin
 * Leontopithecus chrysomelas — Golden-headed Lion Tamarin
 * Leontopithecus chrysopygus — Black Lion Tamarin, Golden-rumped Lion Tamarin
 * Leontopithecus rosalia — Golden Lion Tamarin
 * Leopoldamys neilli — Neill's Long-tailed Giant Rat
 * Lepidoblepharis montecanoensis — Paraguanan Ground Gecko
 * Lepidocephalichthys jonklaasi — Spotted Loach
 * Lepidochelys kempii — Atlantic Ridley, Gulf Ridley, Kemp's Ridley, Mexican Ridley
 * Lepidochelys olivacea — Olive Ridley, Pacific Ridley
 * Lepidochrysops lotana
 * Lepidomeda albivallis — White River spinedace
 * Lepidopyga lilliae — Sapphire-bellied Hummingbird
 * Lepidurus packardi
 * Leporillus conditor — Greater Stick-nest Rat, House-building Rat
 * Leptachatina lepida
 * Leptasthenura xenothorax — White-browed Tit-spinetail
 * Leptaxis caldeirarum
 * Leptaxis vetusa
 * Leptaxis wollastoni
 * Leptobrachella palmata
 * Leptodactylodon axillaris
 * Leptodactylodon erythrogaster
 * Leptodactylodon mertensi
 * Leptodactylodon ornatus
 * Leptodactylodon perreti
 * Leptodactylodon stevarti
 * Leptodactylodon wildi
 * Leptodactylus dominicensis — Hispaniolan Ditch Frog
 * Leptodactylus fallax — Giant Ditch Frog, Mountain Chicken
 * Leptodactylus magistris
 * Leptodactylus silvanimbus
 * Leptodon forbesi — White-collared Kite
 * Leptogomphus yayeyamensis
 * Leptolalax alpinus
 * Leptomys elegans — Long-footed Water Rat
 * Leptomys signatus — Fly River Water Rat
 * Leptonycteris nivalis — Greater Long-nosed Bat, Mexican Long-nosed Bat
 * Leptopelis karissimbensis
 * Leptopelis susanae
 * Leptopelis xenodactylus — Long-toed Tree Frog
 * Leptophryne cruentata — Bleeding toad, Fire toad
 * Leptoptilos dubius — Greater Adjutant
 * Leptotila conoveri — Tolima Dove
 * Leptotila wellsi — Grenada Dove
 * Leptoxis melanoidus — Black mudalia
 * Lepus flavigularis — Tehuantepec Hare, Tehuantepec Jack Rabbit, Tehuantepec Jackrabbit
 * Lerista allanae — Allan's Lerista
 * Lerista vittata — Mount Cooper Striped Lerista
 * Lethenteron zanandreai — Lombardy Brook Lamprey
 * Lethrinops macracanthus
 * Lethrinops micrentodon
 * Lethrinops microdon
 * Lethrinops stridae
 * Leuchocharis pancheri
 * Leucocephalon yuwonoi — Sulawesi Forest Turtle
 * Leucopeza semperi — Semper's Warbler
 * Leucopsar rothschildi — Bali Starling
 * Leucopternis occidentalis — Grey-backed Hawk
 * Leucoraja melitensis — Maltese skate
 * Lexingtonia subplana
 * Libellula angelina
 * Liberiictis kuhni — Liberian Mongoose
 * Limnonectes arathooni
 * Limnonectes microtympanum
 * Limnonectes namiyei — Namiye's Frog
 * Limnonectes nitidus
 * Lineatriton lineolus
 * Lineatriton orchileucos
 * Lineatriton orchimelas
 * Liobagrus nigricauda
 * Liophis cursor
 * Liophis ornatus — St Lucia Racer
 * Liophis perfuscus — Barbados Racer
 * Lipaugus weberi — Chestnut-capped Piha
 * Lipochromis maxillaris
 * Lipochromis sp. nov. 'backflash cryptodon'
 * Lipochromis sp. nov. 'small obesoid'
 * Lipochromis sp. nov. 'black cryptodon'
 * Lipochromis sp. nov. 'parvidens-like'
 * Lipotes vexillifer — Baiji, Changjiang Dolphin, Chinese Lake Dolphin, White Flag Dolphin, Whitefin Dolphin, Yangtze River Dolphin
 * Lirceus usdagalun — Lee County Cave Isopod
 * Lithochromis rubripinnis
 * Lithochromis rufus
 * Lithochromis xanthopteryx
 * Litoria booroolongensis — Booroolong Frog
 * Litoria brevipalmata — Green-thighed Frog
 * Litoria castanea — Yellow-spotted Tree Frog
 * Litoria cooloolensis — Cooloola Sedgefrog, Cooloola Tree Frog
 * Litoria lorica — Armoured Frog, Armoured Mistfrog
 * Litoria nannotis — Torrent Tree Frog, Waterfall Frog
 * Litoria nyakalensis — Mountain Mistfrog, Nyakala Frog
 * Litoria piperata — Peppered Tree Frog
 * Litoria raniformis — Green and Gold Frog, Growling Grass Frog, Southern Bell Frog, Warty Bell Frog
 * Litoria rheocola — Common Mist Frog
 * Litoria spenceri — Spencer's River Tree Frog, Spotted Frog, Spotted Treefrog
 * Liza luciae — Saint Lucia mullet
 * Lobaunia danubialis
 * Loddigesia mirabilis — Marvellous Spatuletail
 * Lokia coryndoni
 * Lontra felina — Marine Otter, Sea Cat, Chungungo
 * Lontra provocax — Huillin, Southern River Otter
 * Lophornis brachylophus — Short-crested Coquette
 * Lophura edwardsi — Edwards's Pheasant
 * Lophura hatinhensis — Vietnamese Pheasant
 * Loriculus catamene — Sangihe Hanging-parrot
 * Loriculus flosculus — Flores Hanging-parrot
 * Loris tardigradus — Slender Loris
 * Lorius garrulus — Chattering Lory
 * Louisea edeaensis
 * Loxia megaplaga — Hispaniolan Crossbill
 * Loxioides bailleui — Palila
 * Loxops caeruleirostris — 'Akeke'e
 * Loxops coccineus — 'Akepa
 * Lucania interioris
 * Lutilodix imitratrix
 * Lycaon pictus — African Wild Dog, Cape Hunting Dog, Wild Dog
 * Lyciasalamandra antalyana
 * Lyciasalamandra atifi
 * Lyciasalamandra billae
 * Lyciasalamandra fazilae
 * Lyciasalamandra flavimembris
 * Lyciasalamandra luschani — Luschan's Salamander, Lycian Salamander
 * Lycognathophis seychellensis — Seychelles Wolf Snake
 * Lynx pardinus — Iberian Lynx, Pardel Lynx, Spanish Lynx

M

 * Macaca maurus — Celebes Macaque, Moor Macaque
 * Macaca nigra — Celebes Black Macaque, Celebes Crested Macaque, Celebes Macaque, Crested Black Macaque, Gorontalo Macaque, Sulawesi Macaque
 * Macaca pagensis — Mentawai Macaque
 * Macaca silenus — Lion-tailed Macaque, Liontail Macaque, Wanderoo
 * Maccullochella ikei — Clarence River Cod, Eastern Freshwater Cod
 * Maccullochella macquariensis — Trout Cod
 * Maccullochella peelii — Mary River Cod
 * Macroagelaius subalaris — Mountain Grackle
 * Macrocephalon maleo — Maleo
 * Macromia flinti
 * Macromia kubokaiya
 * Macromidia ishidai
 * Macronyx sharpei — Sharpe's Longclaw
 * Macroperipatus insularis
 * Macropleurodus bicolor
 * Macrosphenus pulitzeri — Pulitzer's Longbill
 * Macrotarsomys ingens — Greater Big-footed Mouse
 * Macrovipera schweizeri — Cyclades blunt-nosed viper, Milos viper
 * Macruromys elegans — Lesser Small-toothed Rat, Western Small-toothed Rat
 * Macruromys major — Eastern Small-toothed Rat
 * Madanga ruficollis — Rufous-throated White-eye
 * Madecassophryne truebae
 * Mahatha helaya
 * Mahatha iora
 * Mahatha lacuna
 * Mahatha regina
 * Makalata occasius
 * Malaconotus alius — Uluguru Bush-shrike
 * Malaconotus kupeensis — Mount Kupe Bush-shrike
 * Malimbus ballmanni — Gola Malimbe
 * Malimbus ibadanensis — Ibadan Malimbe
 * Mallomys gunung — Alpine Woolly Rat
 * Mandibularca resinus — Bagangan
 * Mandrillus leucophaeus — Drill
 * Mannophryne caquetio
 * Mannophryne collaris
 * Mannophryne lamarcai
 * Mannophryne neblina
 * Mannophryne olmonae — Bloody Bay Poison Frog
 * Mannophryne riveroi
 * Mannophryne yustizi
 * Manorina melanotis — Black-eared Miner
 * Manouria emys — Asian Forest Tortoise, Asian Giant Tortoise, Black Giant Tortoise, Burmese Brown Tortoise, Burmese Mountain Tortoise, Six-legged Tortoise
 * Mantella aurantiaca — Golden Frog, Golden Mantella
 * Mantella bernhardi — Bernhard's Mantella
 * Mantella cowanii — Cowan's Mantella
 * Mantella crocea — Yellow Mantella
 * Mantella expectata — Blue-legged Mantella
 * Mantella milotympanum — Black-eared Mantella
 * Mantella viridis — Green Mantella
 * Mantidactylus brunae
 * Mantidactylus corvus
 * Mantidactylus guibei
 * Mantidactylus horridus
 * Mantidactylus madecassus
 * Mantidactylus microtis
 * Mantidactylus microtympanum
 * Mantidactylus pauliani
 * Mantidactylus silvanus
 * Mantidactylus webbi
 * Marcusenius victoriae — Victoria stonebasher
 * Margaritifera auricularia — Spengler's freshwater mussel
 * Margaritifera hembeli — Louisiana pearlshell
 * Margaritifera margaritifera — Freshwater Pearl Mussel
 * Margaritifera marrianae — Alabama pearl shell
 * Marmosa andersoni — Anderson's Mouse Opossum
 * Marmosa xerophila — Dryland Mouse Opossum
 * Marmosops cracens — Slim-faced Slender Mouse Opossum
 * Marmosops handleyi — Handley's Slender Mouse Opossum
 * Marmota vancouverensis — Vancouver Island Marmot, Vancouver Marmot
 * Martelia tanganyicensis
 * Mathewsoconcha belli
 * Mauremys annamensis — Annam Leaf Turtle, Vietnamese Pond Turtle
 * Mauremys mutica
 * Mautodontha boraborensis
 * Mautodontha ceuthma
 * Maxomys alticola — Mountain Spiny Rat
 * Maxomys baeodon — Small Spiny Rat
 * Maxomys wattsi — Watts's Spiny Rat
 * Mbipia lutea
 * Mecistogaster pronoti — Atlantic Helicopter
 * Medionidus acutissimus — Alabama moccasinshell
 * Medionidus parvulus — Coosa moccasinshell
 * Medionidus penicillatus — Gulf moccasinshell
 * Medionidus simpsonianus — Ochlockonee moccasinshell
 * Medionidus walkeri
 * Megadyptes antipodes — Yellow-eyed Penguin
 * Megalagrion leptodemas — Crimson Hawaiian Damselfly
 * Megalagrion molokaiense — Molokai Damselfly
 * Megalagrion nesiotes — Flying Earwig Hawaiian Damselfly
 * Megalobulimus fragilion
 * Megalobulimus grandis
 * Megalobulimus lopesi
 * Megalobulimus parafragilior
 * Megalobulimus proclivis
 * Megapodius laperouse — Micronesian Megapode
 * Megapodius pritchardii — Polynesian Megapode
 * Megastomatohyla mixe
 * Megastomatohyla mixomaculata
 * Megastomatohyla nubicola
 * Megastomatohyla pellita
 * Megophrys ligayae — Palawan Horned Frog
 * Meladema imbricata
 * Melamprosops phaeosoma — Po'o-uli
 * Melanobatrachus indicus — Black Microhylid
 * Melanophryniscus devincenzii
 * Melanospiza richardsoni — St Lucia Black Finch
 * Melanotaenia boesemani — Boeseman's rainbowfish
 * Melasmothrix naso — Sulawesian Shrew Rat
 * Melomys rubicola — Bramble Cay Mosaic-tailed Rat
 * Mergus octosetaceus — Brazilian Merganser
 * Mergus squamatus — Scaly-sided Merganser
 * Meridolum corneovirens
 * Meriones arimalius — Arabian Jird
 * Meriones chengi — Cheng's Jird
 * Meriones dahli — Dahl's Jird
 * Meriones sacramenti — Buxton's Jird
 * Meriones zarudnyi — Zarundny's Jird
 * Merulaxis stresemanni — Stresemann's Bristlefront
 * Mesocapromys angelcabrerai — Cabrera's Hutia
 * Mesocapromys auritus — Eared Hutia, Large-eared Hutia
 * Mesocapromys nanus — Dwarf Hutia
 * Mesocapromys sanfelipensis — Little Earth Hutia, San Felipe Hutia
 * Mesocricetus auratus — Golden Hamster
 * Mesodon clenchi — Clench's middle-toothed land snail, Mission Creek Oregonian
 * Mesonerilla prospera
 * Metabolus rugensis — Chuuk Monarch
 * Metacnemis valida — Kubusi Stream Damsel
 * Metallura baroni — Violet-throated Metaltail
 * Metallura iracunda — Perijá Metaltail
 * Mexistenasellus coahuila
 * Micrarionta feralis — Fraternal snail, San Nicolas Island snail
 * Micrixalus gadgili
 * Micrixalus kottigeharensis
 * Microbatrachella capensis — Micro Frog
 * Microcebus myoxinus
 * Microcebus ravelobensis — Golden-brown Mouse Lemur
 * Microgale jenkinsae
 * Microgale nasoloi — Nasolo's Shrew Tenrec
 * Microgomphus wijaya
 * Microhyla karunaratnei
 * Microhyla sholigari
 * Microhyla zeylanica
 * Micromacromia miraculosa
 * Microneura caligata — Blue-and-orange Threadtail
 * Micropotamogale lamottei — Nimba Otter Shrew, Pygmy Otter-shrew
 * Microstrophia modesta
 * Microtus evoronensis — Evorsk Vole
 * Microtus kermanensis — Baluchistan Vole
 * Microtus mujanensis — Muisk Vole
 * Micryletta steinegeri
 * Mictocaris halope
 * Millardia kondana — Kondana Soft-furred Rat
 * Mimus graysoni — Socorro Mockingbird
 * Minervarya sahyadris
 * Miniopterus robustior — Loyalty Bent-winged Bat
 * Mirafra ashi — Ash's Lark
 * Mixophyes fleayi — Fleay's Barred Frog, Fleay's Frog
 * Mixophyes iteratus — Giant Barred Frog, Giant Barred River-frog, Giant Barred-frog, Southern Barred Frog
 * Moapa coriacea — Moapa dace
 * Mobula mobular — Devil fish
 * Mogera etigo — Echigo Mole
 * Mogera tokudae — Sado Mole, Tokuda's Mole
 * Mohoua ochrocephala — Yellowhead
 * Monachus monachus — Mediterranean Monk Seal
 * Monachus schauinslandi — Hawaiian Monk Seal
 * Monarcha boanensis — Black-chinned Monarch
 * Monarcha brehmii — Biak Monarch
 * Monarcha everetti — White-tipped Monarch
 * Monarcha sacerdotum — Flores Monarch
 * Monodelphis kunsi — Pygmy Short-tailed Opossum
 * Monolistra bolei
 * Monolistra spinosissima
 * Monticola erythronotus — Amber Mountain Rock-thrush
 * Montivipera bornmuelleri — Lebanon Viper
 * Mormopterus phrudus — Incan Little Mastiff Bat
 * Mouldingia orientalis
 * Mungotictis decemlineata — Malagasy Narrow-striped Mongoose, Narrow-striped Mongoose
 * Muriculus imberbis — Ethiopian Striped Mouse, Striped-back Mouse
 * Murina grisea — Peter's Tube-nosed Bat
 * Murina tenebrosa — Gloomy Tube-nosed Bat
 * Murina ussuriensis — Ussuri Tube-nosed Bat
 * Mus famulus — Servant Mouse
 * Mustela felipei — Colombian Weasel
 * Mustela lutreola — European Mink
 * Mustela lutreolina — Indonesian Mountain Weasel
 * Mustelus fasciatus — Striped dogfish, Striped smooth-hound
 * Mustelus schmitti — Narrownose smooth-hound
 * Myadestes lanaiensis — Oloma'o
 * Myadestes palmeri — Puaiohi
 * Myaka myaka
 * Myioborus pariae — Paria Whitestart
 * Myiotheretes pernix — Santa Marta Bush-tyrant
 * Myliobatis hamlyni — Purple Eagle Ray
 * Myomimus setzeri — Setzer's Mouse-tailed Dormouse
 * Myonycteris brachycephala — Sao Tomé Collared Fruit Bat
 * Myophonus blighi — Sri Lanka Whistling-thrush
 * Myosorex eisentrauti — Eisentraut's Mouse Shrew
 * Myosorex kihaulei
 * Myosorex okuensis — Oku Mouse Shrew
 * Myosorex rumpii — Rumpi Mouse Shrew
 * Myotis cobanensis — Guatemalan Myotis
 * Myotis findleyi — Findley's Myotis
 * Myotis grisescens — Gray Myotis, Grey Bat
 * Myotis milleri — Miller's Myotis
 * Myotis ozensis — Honshū Myotis
 * Myotis planiceps — Flat-headed Myotis
 * Myotis pruinosus — Frosted Myotis
 * Myotis schaubi — Schaub's Myotis
 * Myotis sodalis — Indiana Bat, Social Bat
 * Myotis stalkeri — Kei Myotis
 * Myrmeciza ruficauda — Scalloped Antbird
 * Myrmotherula fluminensis — Rio De Janeiro Antwren
 * Myrmotherula snowi — Alagoas Antwren
 * Mysateles garridoi — Garrido's Hutia
 * Mystromys albicaudatus — White-tailed Mouse, White-tailed Rat

N

 * Nannoperca oxleyana — Oxleyan Pygmy Perch
 * Nannophrys marmorata
 * Nanocopia minuta
 * Nanodectes bulbicercus
 * Napaeus isletae
 * Nasalis larvatus — Long-nosed Monkey, Proboscis Monkey
 * Nasikabatrachus sahyadrensis
 * Nasua nelsoni — Cozumel Island Coati
 * Natalina beyrichi — Pondoland Cannibal Snail
 * Natalobatrachus bonebergi
 * Neamblysomus gunningi — Gunning's Golden Mole
 * Neamblysomus julianae — Juliana's Golden Mole
 * Nectarinia loveridgei — Loveridge's Sunbird
 * Nectomys parvipes — Small-footed Bristly Mouse
 * Nectophrynoides asperginis — Kihansi Spray Toad
 * Nectophrynoides cryptus
 * Nectophrynoides minutus
 * Nectophrynoides poyntoni
 * Nectophrynoides pseudotornieri
 * Nectophrynoides vestergaardi
 * Nectophrynoides wendyae
 * Necturus alabamensis — Black Warrior Waterdog
 * Nemacheilus dori
 * Nemacheilus jordanicus
 * Nemacheilus pantheroides
 * Nemacheilus sp. nov.
 * Nemapalpus nearcticus — Sugarfoot Moth Fly
 * Nemosia rourei — Cherry-throated Tanager
 * Neochromis simotes
 * Neophema chrysogaster — Orange-bellied Parrot
 * Neoplanorbis tantillus
 * Neospiza concolor — São Tomé Grosbeak
 * Neotoma anthonyi — Anthony's Woodrat
 * Neotoma bryanti — Bryant's Woodrat
 * Neotoma bunkeri — Bunker's Woodrat
 * Neotoma martinensis — San Martin Island Woodrat
 * Neotoma nelsoni — Nelson's Woodrat
 * Neotoma varia — Turner Island Woodrat
 * Nephelobates alboguttatus
 * Nephelobates duranti
 * Nephelobates haydeeae
 * Nephelobates mayorgai
 * Nephelobates meridensis
 * Nephelobates molinarii
 * Nephelobates orostoma
 * Nephelobates serranus
 * Nephrurus deleani
 * Neritina tiassalensis
 * Nesoenas mayeri — Pink Pigeon
 * Nesolagus netscheri — Sumatran Striped Rabbit
 * Nesomimus melanotis — San Cristobal Mockingbird
 * Nesomimus trifasciatus — Floreana Mockingbird
 * Nesopsar nigerrimus — Jamaican Blackbird
 * Nesoscaptor uchidai — Ryūkyū Mole
 * Nestor meridionalis — Kākā
 * Neurergus kaiseri
 * Neurergus microspilotus
 * Neusticomys mussoi — Musso's Fish-eating Rat
 * Neusticomys oyapocki — Oyapock's Fish-eating Rat
 * Neusticomys peruviensis — Peruvian Fish-eating Rat
 * Neusticomys venezuelae — Venezuelan Fish-eating Rat
 * Newcombia canaliculata
 * Newcombia cumingi
 * Newcombia lirata
 * Newcombia perkinsi
 * Newcombia pfeifferi
 * Newcombia sulcata
 * Nicrophorus americanus — American Burying Beetle
 * Nilopegamys plumbeus — Ethiopian Amphibious Rat, Ethiopian Water Mouse
 * Nilssonia formosa — Burmese Peacock Softshell
 * Nimbaphrynoides liberiensis
 * Nimbaphrynoides occidentalis — Mt Nimba Viviparous Toad, Western Nimba Toad
 * Nipponia nippon — Crested Ibis
 * Nirodia belphegor
 * Nomascus concolor — Black Gibbon, Crested Gibbon, Indochinese Gibbon
 * Nomascus nasutus — Eastern Black Crested Gibbon, Eastern Black Gibbon
 * Nothobranchius sp. nov. — Caprivi killifish
 * Nothomyrmecia macrops — Australian Ant
 * Nothophryne broadleyi
 * Notogomphus cottarellii
 * Notogomphus maathaiae
 * Notogomphus ruppeli
 * Notopala sublineata
 * Notophthalmus meridionalis — Black-spotted Newt
 * Notoryctes caurinus — Northern Marsupial Mole, Northwestern Marsupial Mole
 * Notoryctes typhlops — Marsupial Mole, Southern Marsupial Mole
 * Nototriton barbouri
 * Nototriton lignicola
 * Nototriton limnospectator
 * Notropis cahabae — Cahaba Shiner
 * Notropis mekistocholas — Cape Fear Shiner
 * Notropis moralesi
 * Notropis simus — Bluntnose Shiner
 * Noturus baileyi — Smoky Madtom
 * Noturus trautmani — Scioto Madtom
 * Numenius borealis — Eskimo Curlew
 * Numenius tenuirostris — Slender-billed Curlew
 * Nyctanolis pernix
 * Nyctibatrachus aliciae
 * Nyctibatrachus beddomii
 * Nyctibatrachus hussaini
 * Nyctibatrachus minor
 * Nyctibatrachus sanctipalustris
 * Nyctibatrachus vasanthi
 * Nyctimene rabori — Philippine Tube-nosed Fruit Bat
 * Nyctimystes dayi — Australian Lace-lid
 * Nyctophilus heran — Sunda Long-eared Bat

O

 * Obovaria retusa — Golf stick pearly mussel, Ring pink
 * Obovaria rotulata — Round ebonyshell
 * Ocadia sinensis — Chinese Stripe-necked Turtle
 * Occirhenea georgiana
 * Oceanites maorianus — New Zealand Storm-petrel
 * Oceanodroma homochroa — Ashy Storm-petrel
 * Oceanodroma macrodactyla — Guadalupe Storm-petrel
 * Ochotona argentata — Helan Shan Pika, Silver Pika
 * Ochotona koslowi — Koslov's Pika, Kozlov's Pika
 * Odontophorus strophium — Gorgeted Wood-quail
 * Odontophrynus moratoi
 * Oecanthus laricis — Laricis Tree Cricket
 * Oecomys cleberi — Cleber's Arboreal Rice Rat
 * Oedipina altura
 * Oedipina gephyra
 * Oedipina gracilis
 * Oedipina grandis
 * Oedipina maritima
 * Oedipina paucidentata
 * Oedipina poelzi
 * Oedipina pseudouniformis
 * Oedipina stenopodia
 * Ogasawarana chichijimana
 * Ogasawarana habei
 * Ogasawarana metamorpha
 * Ogasawarana rex
 * Ogasawarana yoshiwarana
 * Ognorhynchus icterotis — Yellow-eared Parrot
 * Okapia Johnstoni
 * Oligoaeschna kunigamiensis
 * Oligoryzomys victus — St. Vincent Pygmy Rice Rat
 * Omphalotropis hieroglyphica
 * Oncorhynchus apache — Apache trout
 * Oncorhynchus formosanus
 * Oncorhynchus gilae — Gila trout
 * Oncorhynchus ishikawai — Satsukimasu salmon
 * Onychogalea fraenata — Bridled Nail-tailed Wallaby, Bridled Nail-tail Wallaby
 * Oreochromis jipe — Jipe tilapia
 * Oreochromis karomo — Karomo
 * Oreochromis karongae
 * Oreochromis lidole
 * Oreochromis pangani
 * Oreochromis squamipinnis
 * Oreochromis variabilis
 * Oreocnemis phoenix
 * Oreolalax chuanbeiensis
 * Oreolalax liangbeiensis
 * Oreolalax omeimontis
 * Oreolalax pingii
 * Oreolalax puxiongensis
 * Oreomystis bairdi — 'Akikiki
 * Oreomystis mana — Hawai'i Creeper
 * Oreonax flavicauda — Yellow-tailed Woolly Monkey
 * Oreophasis derbianus — Horned Guan
 * Oreophryne monticola
 * Oriolus isabellae — Isabela Oriole
 * Orlitia borneensis — Bornean River Turtle, Malaysian Giant Turtle
 * Ornithoptera alexandrae — Queen Alexandra's Birdwing
 * Ornithoptera croesus
 * Ornithoptera meridionalis
 * Orthochromis kasuluensis
 * Orangia maituatensis
 * Orangia sporadica
 * Orconectes saxatilis — Kiamichi Crayfish
 * Orconectes shoupi — Nashville Crayfish
 * Oreailurus jacobita — Andean Cat, Andean Mountain Cat
 * Oreochromis alcalicus
 * Oreochromis amphimelas
 * Oreochromis chungruruensis
 * Oreochromis esculentus — Singidia tilapia
 * Oreochromis hunteri — Lake Chala tilapia
 * Oreochromis jipe — Jipe tilapia
 * Oreochromis karomo — Karomo
 * Oreochromis karongae
 * Oreochromis lidole
 * Oreochromis pangani
 * Oreochromis squamipinnis
 * Oreochromis variabilis
 * Oreocnemis phoenix
 * Oreolalax chuanbeiensis
 * Oreolalax liangbeiensis
 * Oreolalax omeimontis
 * Oreolalax pingii
 * Oreolalax puxiongensis
 * Oreomystis bairdi — 'Akikiki
 * Oreomystis mana — Hawai'i Creeper
 * Oreonax flavicauda — Yellow-tailed Woolly Monkey
 * Oreophasis derbianus — Horned Guan
 * Oreophryne monticola
 * Oriolus isabellae — Isabela Oriole
 * Orlitia borneensis — Bornean River Turtle, Malaysian Giant Turtle
 * Ornithoptera alexandrae — Queen Alexandra's Birdwing
 * Ornithoptera croesus
 * Ornithoptera meridionalis
 * Orthochromis kasuluensis
 * Orthochromis mazimeroensis
 * Orthochromis mosoensis
 * Orthochromis rubrolabialis
 * Orthochromis uvinzae
 * Orthogeomys cuniculus — Oaxacan Pocket Gopher
 * Oryx leucoryx — Arabian Oryx, White Oryx
 * Oryzias orthognathus — Buntingi, Sharp-jawed buntingi
 * Oryzomys gorgasi — Gorgas's Rice Rat
 * Osornophryne antisana
 * Osornophryne guacamayo — Guacamayo Plump Toad
 * Osornophryne percrassa — Herveo Plump Toad
 * Osornophryne talipes — Cannatella's Plump Toad
 * Ospatulus palaemophagus
 * Ospatulus truncatus — Bitungu
 * Osteopilus crucialis — Jamaican Snoring Frog
 * Osteopilus marianae — Yellow Bromeliad Frog
 * Osteopilus pulchrilineatus — Hispaniolan Yellow Treefrog
 * Osteopilus vastus — Hispaniolan Giant Treefrog
 * Osteopilus wilderi — Green Bromeliad Frog
 * Otomops wroughtoni — Wroughton's Free-tailed Bat
 * Otomys barbouri — Barbour's Vlei Rat
 * Otomys jacksoni — Mount Elgon Vlei Rat
 * Otomys uzungwensis — Uzungwe Vlei Rat
 * Otus alfredi — Flores Scops-owl
 * Otus beccarii — Biak Scops-owl
 * Otus capnodes — Anjouan Scops-owl
 * Otus insularis — Seychelles Scops-owl
 * Otus ireneae — Sokoke Scops-owl
 * Otus moheliensis — Moheli Scops-owl
 * Otus pauliani — Grand Comoro Scops-owl
 * Otus siaoensis — Siau Scops-owl
 * Otus thilohoffmanni — Serendib Scops-owl
 * Ovis canadensis sierrae - Sierra Nevada Bighorn Sheep
 * Oxychaeta dicksoni — Dickson's Copper
 * Oxylapia polli
 * Oxyloma kanabense — Kanab Amber Snail
 * Oxyura leucocephala — White-headed Duck
 * Oziothelphusa dakuna
 * Oziothelphusa gallicola
 * Oziothelphusa intuta
 * Oziothelphusa kodagoda
 * Oziothelphusa populosa

P

 * Paa boulengeri
 * Paa maculosa
 * Paa robertingeri
 * Paa yunnanensis
 * Pachypanchax sakaramyi
 * Pachypanchax sp. nov. 'Anjingo'
 * Pachypanchax sp. nov. 'Varatraza'
 * Pachyramphus spodiurus — Slaty Becard
 * Pachysaga strobila
 * Pacifastacus fortis — Shasta Crayfish
 * Pacifastacus nigrescens
 * Pagrus pagrus — Red porgy
 * Palaemnema baltodanoi — Cacao Shadowdamsel
 * Palaemnema chiriquita — Chiriquita Shadowdamsel
 * Palaemnema gigantula — Elongate Shadowdamsel
 * Palaemnema melanota — Black-backed Shadowdamsel
 * Palaemnema reventazoni — Reventazón Shadowdamsel
 * Palaemonetes antrorum — Balcones Cave Shrimp, Texas cave shrimp
 * Palaemonias alabamae — Alabama Cave Shrimp
 * Palaemonias ganteri — Kentucky Cave Shrimp
 * Palawanomys furvus — Palawan Soft-furred Mountain Rat
 * Palea steindachneri — Wattle-necked Soft-shelled Turtle
 * Palmeria dolei — 'Akohekohe
 * Paludomus ajanensis
 * Pan paniscus — Bonobo, Dwarf Chimpanzee, Gracile Chimpanzee, Pygmy Chimpanzee
 * Pan troglodytes — Chimpanzee, Common Chimpanzee, Robust Chimpanzee
 * Pandaka pygmaea — Dwarf pygmy goby
 * Pangasianodon gigas — Giant catfish, Mekong giant catfish
 * Pantanodon sp. nov. 'Manombo'
 * Panthera tigris — Tiger
 * Panthera tigris, chinchilla albinistic — White Tiger
 * Panthera onca — Jaguar
 * Pantholops hodgsonii — Chiru, Tibetan Antelope
 * Papasula abbotti — Abbott's Booby
 * Papilio aristophontes
 * Papilio chikae — Luzon Peacock Swallowtail
 * Papilio homerus — Homerus Swallowtail
 * Papilio hospiton — Corsican Swallowtail
 * Papilio moerneri
 * Pappogeomys neglectus — Querétaro Pocket Gopher
 * Paracoelops megalotis — Vietnam Leaf-nosed Bat
 * Paracyclopia naessi
 * Paralabidochromis beadlei
 * Paralabidochromis victoriae
 * Paralucia spinifera — Bathurst Copper
 * Paramelita barnardi
 * Paramesotriton guanxiensis — Guangxi Warty Newt
 * Parantechinus apicalis — Dibbler
 * Parantica davidi — David's Tiger
 * Parantica kuekenthali — Kuekenthal's Yellow Tiger
 * Parantica marcia — Biak Tiger
 * Parantica milagros — Milagros' Tiger
 * Parantica schoenigi — Father Schoenig's Chocolate
 * Parantica sulewattan — Bonthain Tiger
 * Parantica timorica — Timor Yellow Tiger
 * Parapinnixa affinis — California Bay pea crab, Californian bay pea crab
 * Paratilapia sp. nov. 'Vevembe'
 * Paraxerus vincenti — Vincent's Bush Squirrel
 * Pardalotus quadragintus — Forty-spotted Pardalote
 * Paretroplus dambabe
 * Paretroplus maculatus — Damba mipentina
 * Paretroplus maromandia
 * Paretroplus sp. nov. 'Sofia'
 * Parhoplophryne usambarica
 * Parmacella tenerifensis
 * Paroreomyza maculata — O'ahu 'Alauahio
 * Paroreomyza montana — Maui 'Alauahio
 * Parosphromenus harveyi
 * Partula calypso
 * Partula clara
 * Partula emersoni
 * Partula filosa
 * Partula gibba — Fat guam partula, Tree snail
 * Partula guamensis
 * Partula hyalina
 * Partula langfordi
 * Partula leucothoe
 * Partula martensiana
 * Partula otaheitana
 * Partula radiolata — Radiolate Partula, Tree snail
 * Partula rosea
 * Partula thetis
 * Partula varia
 * Partulina confusa
 * Partulina dubia
 * Partulina mighelsiana
 * Partulina perdix
 * Partulina physa
 * Partulina proxima
 * Partulina redfieldi
 * Partulina semicarinata
 * Partulina splendida — Splendid partulina
 * Partulina tappaniana
 * Partulina tessellata
 * Partulina variabilis
 * Paruromys ursinus — Sulawesi Bear Rat
 * Parvimolge townsendi
 * Pastilla ruhuna
 * Pauxi unicornis — Southern Helmeted Curassow
 * Pedionomus torquatus — Plains-wanderer
 * Pedostibes tuberculosus — Malabar Tree Toad
 * Pegias fabula — Little winged pearly mussel, Littlewing pearlymussel
 * Pelecanoides garnotii — Peruvian Diving-petrel
 * Pelobates varaldii — Varaldi's Spadefoot Toad
 * Pelochelys cantorii — Cantor's Giant Softshell Turtle
 * Pelomys isseli — Issel's Groove-toothed Swamp Rat
 * Pelophryne albotaeniata — Palawan Toadlet
 * Pelophryne api
 * Pelophryne scalptus
 * Pene galilaea
 * Penelope albipennis — White-winged Guan
 * Penelope ortoni — Baudo_Guan
 * Penelope perspicax — Cauca Guan
 * Penelopides mindorensis — Mindoro Tarictic
 * Penelopides panini — Visayan Tarictic, Calao Tarictic
 * Pentalagus furnessi — Amami Rabbit, Ryūkyū Rabbit
 * Perameles bougainville — Barred Bandicoot, Long-nosed Bandicoot, Marl, [
 * Perbrinckia enodis
 * Pit bull
 * Perbrinckia morayensis
 * Perbrinckia punctata
 * Perbrinckia quadratus
 * Perbrinckia rosae
 * Percina cymatotaenia — Bluestripe Darter
 * Perdicella helena
 * Peripatopsis leonina — Lion's Hill velvet worm
 * Peromyscus bullatus — Perote Mouse
 * Peromyscus dickeyi — Dickey's Deer Mouse
 * Peromyscus interparietalis — San Lorenzo Mouse
 * Peromyscus mayensis — Maya Mouse
 * Peromyscus polionotus phasma - Anastasia Island Beach Mouse
 * Peromyscus pseudocrinitus — False Canyon Mouse
 * Peromyscus slevini — Slevins's Mouse
 * Peromyscus stephani — San Esteban Island Mouse
 * Petalura pulcherrima — Beautiful Petaltail
 * Petaurus gracilis — Mahogany Glider
 * Petrogale persephone — Proserpine Rock-wallaby
 * Petroica traversi — Black Robin
 * Petropedetes palmipes
 * Petropedetes perreti
 * Pezoporus occidentalis — Night Parrot
 * Phaenomys ferrugineus — Rio de Janeiro Arboreal Rat
 * Phaeognathus hubrichti — Red Hills salamander
 * Phalacrocorax featherstoni — Pitt Island Shag
 * Phalacrocorax harrisi — Galápagos Cormorant
 * Phalacrocorax neglectus — Bank Cormorant
 * Phalacrocorax onslowi — Chatham Island Shag
 * Phalanger matanim — Telefomin Cuscus
 * Phallodrilus macmasterae
 * Phapitreron cinereiceps — Tawitawi Brown-dove
 * Pharotis imogene — New Guinea Big-eared Bat
 * Phascogale calura — Red-tailed Phascogale, Red-tailed Wambenger
 * Phelsuma guentheri — Round Island Day Gecko
 * Philautus alto
 * Philautus asankai
 * Philautus aurantium
 * Philautus auratus
 * Philautus caeruleus
 * Philautus cavirostris
 * Philautus chalazodes
 * Philautus charius
 * Philautus cuspis
 * Philautus decoris
 * Philautus disgregus
 * Philautus femoralis
 * Philautus folicola
 * Philautus frankenbergi
 * Philautus fulvus
 * Philautus griet
 * Philautus hoffmanni
 * Philautus jacobsoni
 * Philautus kerangae
 * Philautus limbus
 * Philautus lunatus
 * Philautus macropus
 * Philautus microtympanum
 * Philautus mittermeieri
 * Philautus mooreorum
 * Philautus nemus
 * Philautus nerostagona
 * Philautus ocellatus
 * Philautus ocularis
 * Philautus papillosus
 * Philautus pleurotaenia
 * Philautus ponmudi
 * Philautus poppiae
 * Philautus procax
 * Philautus reticulatus
 * Philautus sanctisilvaticus
 * Philautus sarasinorum
 * Philautus schmackeri — Mindoro Tree Frog
 * Philautus schmarda
 * Philautus shillongensis
 * Philautus signatus
 * Philautus silus
 * Philautus silvaticus
 * Philautus simba
 * Philautus similis
 * Philautus sp. nov. 'Amboli Forest'
 * Philautus sp. nov. 'Athirimala'
 * Philautus sp. nov. 'Munnar 2'
 * Philautus sp. nov. 'Munnar'
 * Philautus steineri
 * Philautus stuarti
 * Philautus surrufus
 * Philautus tinniens
 * Philautus viridis
 * Philautus wynaadensis
 * Philautus zorro
 * Philochortus zolii
 * Philoria frosti — Baw Baw Frog, Baw-baw Frog
 * Philoria kundagungan — Mountain Frog, Red And Yellow Mountain Frog
 * Philoria loveridgei — Loveridge's Frog
 * Philoria pughi
 * Philoria richmondensis — Loveridge's Frog, Mountain Frog
 * Philoria sphagnicolus — Sphagnum Frog
 * Philydor novaesi — Alagoas Foliage-gleaner
 * Phocoena sinus — Vaquita, Cochito, Gulf of California Harbor Porpoise, Gulf Of California Porpoise, Gulf Porpoise
 * Phodilus prigoginei — Congo Bay-owl
 * Phoebastria nigripes — Black-footed Albatross
 * Phoebetria fusca — Sooty Albatross
 * Phoxinellus alepidotus
 * Phoxinellus anatolicus — Yag Baligi
 * Phoxinellus croaticus
 * Phoxinellus dalmaticus
 * Phoxinellus fontinalis
 * Phoxinellus jadovensis
 * Phoxinellus krbavensis
 * Phrynobatrachus annulatus
 * Phrynobatrachus ghanensis
 * Phrynobatrachus irangi
 * Phrynobatrachus krefftii
 * Phrynobatrachus pakenhami
 * Phrynops dahli — Dahl's Toad-headed Turtle
 * Phrynops hogei — Hoge's Sideneck Turtle
 * Phrynopus adenobrachius
 * Phrynopus bracki
 * Phrynopus brunneus
 * Phrynopus carpish
 * Phrynopus cophites
 * Phrynopus dagmarae
 * Phrynopus flavomaculatus
 * Phrynopus heimorum
 * Phrynopus horstpauli
 * Phrynopus juninensis
 * Phrynopus kauneorum
 * Phrynopus kempffi
 * Phrynopus lucida
 * Phrynopus montium
 * Phrynopus parkeri
 * Phrynopus pereger
 * Phrynopus peruvianus
 * Phrynopus simonsii
 * Phrynopus spectabilis
 * Phyllastrephus leucolepis — Liberian Greenbul
 * Phyllobates terribilis — Golden Poison Frog
 * Phyllobates vittatus — Golfodulcean Poison Frog
 * Phyllodytes auratus
 * Phyllomedusa ayeaye
 * Phyllomedusa baltea
 * Phyllomedusa ecuatoriana
 * Phyllomyias urichi — Urich's Tyrannulet
 * Phyllonycteris aphylla — Jamaican Flower Bat
 * Phyllopetalia altarensis — Metropolitan Redspot
 * Phylloscartes beckeri — Bahia Tyrannulet
 * Phylloscartes ceciliae — Alagoas Tyrannulet
 * Phylloscartes lanyoni — Antioquia Bristle-tyrant
 * Phylloscartes roquettei — Minas Gerais Tyrannulet
 * Phylolestes ethelae — Hispaniolan Malachite
 * Physalaemus soaresi
 * Physiculus helenaensis — Skulpin
 * Phytotoma raimondii — Peruvian Plantcutter
 * Pieris wollastoni
 * Pipa myersi — Myers' Surinam Toad
 * Pipile jacutinga — Black-fronted Piping-guan
 * Pipile pipile — Trinidad Piping-guan
 * Pipistrellus endoi — Endo's Pipistrelle
 * Pithecophaga jefferyi — Philippine Eagle
 * Pitta gurneyi — Gurney's Pitta
 * Placostylus bivaricosus
 * Platalea minor — Black-faced Spoonbill
 * Platanista gangetica — Blind River Dolphin, South Asian River Dolphin
 * Platycypha amboniensis — Montane Dancing-jewel
 * Platycypha pinheyi
 * Platymantis cagayanensis
 * Platymantis hazelae — Hazel's Forest Frog
 * Platymantis insulata — Island Forest Frog
 * Platymantis lawtoni
 * Platymantis levigata — Smooth-skinned Forest Frog
 * Platymantis negrosensis — Negros Forest Frog
 * Platymantis panayensis — Panay Forest Frog
 * Platymantis polillensis — Polillo Forest Frog
 * Platymantis spelaea — Negros Cave Frog
 * Platymantis subterrestris — Mt. Data Forest Frog
 * Platymantis taylori
 * Platymantis vitiana — Fiji Ground Frog, Fijian Ground Frog
 * Platyops sterreri
 * Platypelis alticola
 * Platypelis mavomavo
 * Platypelis milloti
 * Platypelis tetra
 * Platysteira laticincta — Banded Wattle-eye
 * Platysternon megacephalum — Big-headed Turtle
 * Plectrohyla acanthodes
 * Plectrohyla arborescandens
 * Plectrohyla avia
 * Plectrohyla calthula
 * Plectrohyla calvicollina
 * Plectrohyla celata
 * Plectrohyla cembra
 * Plectrohyla charadricola
 * Plectrohyla chryses
 * Plectrohyla chrysopleura
 * Plectrohyla crassa
 * Plectrohyla cyanomma
 * Plectrohyla cyclada
 * Plectrohyla dasypus
 * Plectrohyla ephemera
 * Plectrohyla exquisita
 * Plectrohyla glandulosa
 * Plectrohyla guatemalensis
 * Plectrohyla hartwegi
 * Plectrohyla hazelae
 * Plectrohyla ixil
 * Plectrohyla lacertosa
 * Plectrohyla mykter
 * Plectrohyla pachyderma
 * Plectrohyla pentheter
 * Plectrohyla pokomchi
 * Plectrohyla psarosema
 * Plectrohyla psiloderma
 * Plectrohyla pycnochila
 * Plectrohyla quecchi
 * Plectrohyla robertsorum
 * Plectrohyla sabrina
 * Plectrohyla sagorum
 * Plectrohyla siopela
 * Plectrohyla tecunumani
 * Plectrohyla teuchestes
 * Plectrohyla thorectes
 * Plethobasus cicatricosus — White warty-back pearly mussel, White wartyback
 * Plethobasus cooperianus — Orange-footed pimpleback mussel, Orangefoot pimpleback
 * Plethodon stormi — Siskiyou Mountains salamander
 * Plethodon welleri — Weller's Salamander
 * Plethodontohyla brevipes
 * Plethodontohyla guentherpetersi
 * Pleurobema chattanoogaense — Painted clubshell
 * Pleurobema clava — Club naiad, Clubshell pearly mussel, Clubshell
 * Pleurobema collina — James River spinymussel
 * Pleurobema curtum — Black clubshell, Curtus's mussel
 * Pleurobema decisum — Southern clubshell
 * Pleurobema furvum — Dark pigtoe
 * Pleurobema georgianum — Southern pigtoe
 * Pleurobema gibberum — Cumberland pigtoe
 * Pleurobema marshalli — Flat pigtoe, Marshall's mussel
 * Pleurobema perovatum — Ovate clubshell
 * Pleurobema plenum — Rough pigtoe pearly mussel, Rough pigtoe
 * Pleurobema pyriforme — Oval pigtoe
 * Pleurodeles poireti — Algerian Ribbed Newt, Edough Ribbed Newt, Poiret's Newt
 * Ploceus aureonucha — Golden-naped Weaver
 * Ploceus batesi — Bates's Weaver
 * Ploceus golandi — Clarke's Weaver
 * Ploceus nicolli — Usambara Weaver
 * Poblana alchichica
 * Poblana letholepis
 * Poblana squamata
 * Podarcis carbonelli
 * Podarcis lilfordi — Lilford's Wall Lizard
 * Podarcis raffonei — Aeolian Wall Lizard
 * Podiceps taczanowskii — Junín Grebe
 * Podocnemis lewyana — Magdalena River Turtle, Rio Magdalena River Turtle
 * Podogymnura aureospinula — Dinagat Moonrat
 * Podogymnura truei — Mindanao Gymnure, Mindanao Moonrat
 * Poecilia latipunctata
 * Poecilia sulphuraria
 * Poecilmitis rileyi
 * Poecilmitis swanepoeli
 * Pogonichthys macrolepidotus — Sacramento Splittail
 * Pogonomelomys bruijni — Lowland Brush Mouse
 * Polposipus herculeanus — Frigate island giant tenebrionid beetle
 * Polyommatus dama
 * Polyommatus galloi — Higgin's Anomalous Blue
 * Polyommatus golgus — Sierra Nevada Blue
 * Polyommatus humedasae — Piedmont Anomalous Blue
 * Polypedates eques
 * Polypedates fastigo
 * Polypedates insularis
 * Polypedates longinasus
 * Polypedates yaoshanensis
 * Polyplectron schleiermacheri — Bornean Peacock-pheasant
 * Pomarea dimidiata — Rarotonga Monarch
 * Pomarea mendozae — Marquesan Monarch
 * Pomarea nigra — Tahiti Monarch
 * Pomarea whitneyi — Fatuhiva Monarch
 * Pongo abelii — Sumatran Orangutan
 * Pongo pygmaeus — Bornean Orangutan, Orangutan
 * Poospiza alticola — Plain-tailed Warbling-finch
 * Poospiza garleppi — Cochabaooth sawfish
 * Pristis pristis — Common sawfish
 * Pristis zijsron — Longcomb sawfish
 * Probarbus jullieni — Jullien's Golden Carp, Seven-striped Barb
 * Probreviceps rhodesianus
 * Procambarus acherontis — Orlando cave crayfish
 * Procambarus angustatus
 * Procambarus attiguus — Silver Glen Springs crayfish
 * Procambarus delicatus — Bigcheek cave crayfish
 * Procambarus econfinautes platycentron
 * Potamonautes rukwanzi
 * Potamonautes unisulcatus
 * Potorous gilbertii — Gilbert's Potoroo
 * Potorous longipes — Long-footed Potoroo
 * Praomys hartwigi — Hartwig's Praomys, Hartwig's Soft-furred Mouse
 * Praomys obscurus
 * Presbytis comata — Grizzled Leaf Monkey, Javan leaf monkey, Javan grizzled langur
 * Prietella phreatophila
 * Primolius couloni — Blue-headed Macaw
 * Prionailurus iriomotensis — Iriomote Cat
 * Prioniturus verticalis — Blue-winged Racquet-tail
 * Prionops gabela — Gabela Helmet-shrike
 * Pristis clavata — Dwarf sawfish, Queensland sawfish
 * Pristis microdon — Freshwater sawfish, Largetooth sawfish, Leichhardt's sawfish
 * Pristis pectinata — Smalltooth sawfish, Wide sawfish
 * Pristis perotteti — Large-tooth sawfish
 * Pristis pristis — Common sawfish
 * Pristis zijsron — Longcomb sawfish
 * Probarbus jullieni — Jullien's Golden Carp, Seven-striped Barb
 * Probreviceps rhodesianus
 * Procambarus acherontis — Orlando cave crayfish
 * Procambarus angustatus
 * Procambarus attiguus — Silver Glen Springs crayfish
 * Procambarus delicatus — Bigcheek cave crayfish
 * Procambarus econfinae — Panama City crayfish
 * Procambarus erythrops — Santa Fe cave crayfish
 * Procambarus ferrugineus
 * Procambarus franzi — Orange Lake cave crayfish
 * Procambarus horsti — Big Blue Springs crayfish
 * Procambarus milleri — Miami cave crayfish
 * Procambarus morrisi — Putnam County cave crayfish
 * Procambarus nueces
 * Procambarus steigmani
 * Procambarus texanus
 * Procapra przewalskii
 * Procaris chacei
 * Procellaria conspicillata — Spectacled Petrel
 * Procolobus badius — Red Colobus, Western Red Colobus
 * Procolobus kirkii — Kirk's Red Colobus, Zanzibar Red Colobus
 * Procolobus pennantii — Pennant's Red Colobus
 * Procolobus rufomitratus — Eastern Red Colobus, Tana River Red Colobus
 * Procyon insularis — Tres Marias Raccoon
 * Procyon maynardi — Bahaman Raccoon
 * Procyon minor — Guadeloupe Raccoon
 * Procyon pygmaeus — Cozumel Raccoon
 * Prodontria lewisi — Cromwell Chafer Beetle
 * Prognathochromis sp. nov. 'long snout'
 * Prognathochromis worthingtoni
 * Progomphus risi — Ris's Sanddragon
 * Progomphus tennesseni — Bristle-tipped Sanddragon
 * Progomphus zephyrus — Elusive Sanddragon
 * Proischnura polychromaticum — Cape Bluet
 * Propithecus diadema — Diademed Sifaka
 * Propithecus tattersalli — Golden-crowned Sifaka, Tattersall's Sifaka
 * Prosobonia cancellata — Tuamotu Sandpiper
 * Protoneura dunklei — Purple Threadtail
 * Protoneura sanguinipes — Red-legged Threadtail
 * Psacadonotus insulanus
 * Psammobates geometricus — Geometric Tortoise, Sakafi
 * Psammodromus microdactylus — Green Psammodromus, Small-fingered Psammodromus
 * Psarocolius cassini — Baudó Oropendola
 * Psephotus chrysopterygius — Golden-shouldered Parrot
 * Psephurus gladius — Chinese paddlefish
 * Pseudagrion vumbaense
 * Pseudalopex fulvipes — Darwin's Fox
 * Pseudemydura umbrina — Western Short-necked Turtle, Western Swamp Turtle
 * Pseudemys alabamensis — Alabama Red-bellied Turtle
 * Pseudibis davisoni — White-shouldered Ibis
 * Pseudoamolops sauteri
 * Pseudobagrus medianalis
 * Pseudobarbus burchelli — Burchell's Redfin
 * Pseudobarbus burgi — Berg River Redfin
 * Pseudobarbus phlegethon — Fiery Redfin
 * Pseudobarbus quathlambae — Maluti Minnow
 * Pseudobarbus tenuis — Slender Redfin
 * Pseudobulweria aterrima — Mascarene Black Petrel
 * Pseudobulweria becki — Beck's Petrel
 * Pseudobulweria macgillivrayi — Fiji Petrel
 * Pseudoeurycea altamontana
 * Pseudoeurycea aquatica
 * Pseudoeurycea brunnata
 * Pseudoeurycea cochranae
 * Pseudoeurycea exspectata
 * Pseudoeurycea firscheini
 * Pseudoeurycea gadovii
 * Pseudoeurycea gigantea
 * Pseudoeurycea goebeli
 * Pseudoeurycea juarezi
 * Pseudoeurycea longicauda
 * Pseudoeurycea lynchi
 * Pseudoeurycea melanomolga
 * Pseudoeurycea mystax
 * Pseudoeurycea naucampatepetl
 * Pseudoeurycea nigromaculata
 * Pseudoeurycea praecellens
 * Pseudoeurycea saltator
 * Pseudoeurycea smithi
 * Pseudoeurycea unguidentis
 * Pseudoeurycea werleri
 * Pseudohydromys murinus — Eastern Shrew Mouse
 * Pseudois schaeferi — Dwarf Bharal, Dwarf Blue Sheep
 * Pseudomugil mellis — Honey blue-eye
 * Pseudomulleria dalyi
 * Pseudomys fieldi — Alice Springs Mouse
 * Pseudomys glaucus — Blue-gray Mouse, Blue-grey Mouse
 * Pseudomys occidentalis — Western Mouse
 * Pseudomys oralis — Hastings River Mouse
 * Pseudonestor xanthophrys — Maui Parrotbill
 * Pseudoniphargus grandimanus
 * Pseudonovibos spiralis — Kting Voar, Linh Duong
 * Pseudophoxinus anatolicus
 * Pseudophoxinus battalgili
 * Pseudophoxinus crassus
 * Pseudophoxinus drusensis
 * Pseudophoxinus egridiri — Yag Baligi
 * Pseudophoxinus epiroticus
 * Pseudophoxinus fahirae
 * Pseudophoxinus handlirschi — Ciçek
 * Pseudophoxinus kervillei
 * Pseudophoxinus laconicus
 * Pseudophoxinus prespensis
 * Pseudophoxinus syriacus
 * Pseudophoxinus zeregi
 * Pseudophryne corroboree — Corroboree Frog
 * Pseudophryne covacevichae — Magnificent Broodfrog
 * Pseudophryne pengilleyi — Northern Corroboree Frog
 * Pseudoryx nghetinhensis — Saola
 * Pseudoscaphirhynchus fedtschenkoi — Syr-darya shovelnose sturgeon
 * Pseudoscaphirhynchus hermanni — Small amu-dar shovelnose sturgeon
 * Pseudoscaphirhynchus kaufmanni — False shovelnose sturgeon, Large amu-dar shovelnose sturgeon
 * Psittacula eques — Mauritius Parakeet
 * Psittirostra psittacea — 'O'u
 * Pteralopex acrodonta — Fijian Monkey-faced Bat
 * Pteralopex anceps — Bougainville Monkey-faced Bat
 * Pteralopex atrata — Cusp-toothed Flying Fox, Cusp-toothed Fruit Bat, Guadalcanal Monkey-faced Bat
 * Pteralopex pulchra — Montane Monkey-faced Bat
 * Pterodroma alba — Phoenix Petrel
 * Pterodroma atrata — Henderson Petrel
 * Pterodroma axillaris — Chatham Petrel
 * Pterodroma baraui — Barau's Petrel
 * Pterodroma cahow — Bermuda Petrel
 * Pterodroma caribbaea — Jamaica Petrel
 * Pterodroma cookii — Cook's Petrel
 * Pterodroma hasitata — Black-capped Petrel
 * Pterodroma madeira — Zino's Petrel
 * Pterodroma magentae — Chatham Island Taiko
 * Pterodroma phaeopygia — Galápagos Petrel
 * Pteronura brasiliensis — Giant Brazilian Otter, Giant Otter
 * Pteropus aldabrensis — Aldabra Flying Fox, Aldabra Flying-fox
 * Pteropus dasymallus — Ryukyu Flying-fox
 * Pteropus faunulus — Nicobar Flying Fox
 * Pteropus insularis — Chuuk Flying-fox, Ruck Flying-fox
 * Pteropus leucopterus — White-winged Flying Fox
 * Pteropus livingstonii — Comoro Black Flying Fox, Livingstone's Fruit Bat
 * Pteropus mariannus — Marianas flying fox, Marianna Flying Fox, Micronesian Flying-fox
 * Pteropus molossinus — Caroline Flying Fox, Pohnpei Flying-fox
 * Pteropus phaeocephalus — Mortlock Flying Fox, Mortlock Islands Flying-fox
 * Pteropus pselaphon — Bonin Flying Fox, Bonin Fruit Bat
 * Pteropus rodricensis — Rodrigues Flying Fox
 * Ptilinopus arcanus — Negros Fruit-dove
 * Ptilinopus roseicapilla — Mariana Fruit-dove
 * Ptychadena broadleyi — Broadley's Ridged Frog
 * Ptychadena newtoni
 * Ptychobranchus greenii — Triangular kidneyshell
 * Ptychobranchus jonesi — Southern kidneyshell
 * Ptychochromis inornatus
 * Ptychochromis sp. nov. 'Green Garaka'
 * Ptychochromis sp. nov. 'Joba mena'
 * Ptychochromoides betsileanus — Trondo mainty
 * Ptychochromoides vondrozo
 * Ptychodon schuppi
 * Ptychohyla dendrophasma
 * Ptychohyla erythromma
 * Ptychohyla hypomykter
 * Ptychohyla legleri
 * Ptychohyla leonhardschultzei
 * Ptychohyla macrotympanum
 * Ptychohyla panchoi
 * Ptychohyla salvadorensis
 * Ptychohyla sanctaecrucis
 * Ptychohyla spinipollex
 * Ptyochromis annectens
 * Ptyochromis granti
 * Ptyochromis sp. nov. 'Rusinga oral sheller'
 * Ptyochromis sp. nov. 'rainbow sheller'
 * Puffinus auricularis — Townsend's Shearwater
 * Puffinus huttoni — Hutton's Shearwater
 * Puffinus mauretanicus — Balearic Shearwater
 * Puffinus newelli — Newell's Shearwater
 * Pundamilia igneopinis
 * Pundamilia macrocephala
 * Pungitius hellenicus — Ellinopygósteos
 * Pungu maclareni — Pungu
 * Puntius amarus — Pait
 * Puntius asoka — Asoka Barb
 * Puntius bandula
 * Puntius baoulan — Baolan
 * Puntius clemensi — Bagangan
 * Puntius disa — Disa
 * Puntius flavifuscus — Katapa-tapa
 * Puntius herrei
 * Puntius katalo — Katolo
 * Puntius lanaoensis — Kandar (fish)
 * Puntius manalak — Manalak
 * Puntius martenstyni
 * Puntius tras — Tras
 * Pygathrix nemaeus — Douc Langur, Douc Monkey, Douc, Red-shanked Douc langur
 * Pygathrix nigripes — Black-shanked Douc Monkey, Black-shanked Douc
 * Pyrgulopsis agarhecta — Ocmulgee marstonia
 * Pyrgulopsis aloba — Duckwater pyrg
 * Pyrgulopsis avernalis — Moapa pebblesnail
 * Pyrgulopsis bruneauensis — Bruneau hot springsnail
 * Pyrgulopsis cruciglans — Transverse grand pyrg
 * Pyriglena atra — Fringe-backed Fire-eye
 * Pyrrhula murina — Azores Bullfinch
 * Pyrrhura orcesi — El Oro Parakeet
 * Pyrrhura viridicata — Santa Marta Parakeet
 * Pyxidea mouhotii — Jagged-shelled Turtle, Keel-backed Terrapin, Keeled Box Turtle
 * Pyxis planicauda — Flat-backed Spider Tortoise, Flat-shelled Spider Tortoise, Madagascar Flat-shelled Tortoise

Q

 * Quadrula couchiana
 * Quadrula fragosa — Rough maple leaf pearly mussel, Winged mapleleaf
 * Quadrula intermedia — Cumberland monkey-face pearly mussel, Cumberland monkeyface
 * Quadrula sparsa — Appalachian monkey-face pearly mussel, Appalachian monkeyface
 * Quadrula stapes — Stirrup shell, Stirrupshell
 * Quadrula tuberosa
 * Quincuncina mitchelli — False spike
 * Quinnus neilius

R

 * Radiocentrum avalonense — Catalina mountain snail
 * Radioconus goeldi
 * Radioconus riochcoensis
 * Radiodiscus amdenus
 * Rafetus euphraticus — Euphrates Softshell Turtle
 * Rafetus swinhoei
 * Rallus semiplumbeus — Bogotá Rail
 * Rallus wetmorei — Plain-flanked Rail
 * Ramanella mormorata
 * Ramanella palmata
 * Ramphocinclus brachyurus — White-breasted Thrasher
 * Rana amamiensis — Amami Tip-nosed Frog
 * Rana cerigensis — Karpathos Frog
 * Rana charlesdarwini
 * Rana chevronta
 * Rana chichicuahutla
 * Rana cretensis — Cretan Frog
 * Rana dunni
 * Rana holsti — Holst's Frog
 * Rana ishikawae — Ishikawa's Frog
 * Rana johni
 * Rana kuangwuensis
 * Rana mangyanum
 * Rana minima
 * Rana muscosa — Mountain Yellow-legged Frog
 * Rana narina — Ryukyu Tip-nosed Frog
 * Rana okinavana — Ryūkyū Brown Frog
 * Rana omiltemana — Guerreran Leopard Frog
 * Rana onca — Relict Leopard Frog
 * Rana psaltes — Kampira Falls Frog, Yaeyama Harpist Frog
 * Rana pueblae
 * Rana pyrenaica — Pyrenean Frog
 * Rana sevosa — Dusky Gopher Frog, Mississippi Gopher Frog
 * Rana shqiperica — Albanian Water Frog
 * Rana subaquavocalis — Ramsey Canyon Leopard Frog
 * Rana subaspera — Otton Frog
 * Rana supranarina
 * Rana tenggerensis
 * Rana tlaloci — Tlaloc's Leopard Frog
 * Rana utsunomiyaorum
 * Rana vibicaria
 * Rana wuchuanensis
 * Ranodon sibiricus — Central Asian Salamander, Semirechensk Salamander
 * Rasbora wilpita
 * Rattus baluensis — Summit Rat
 * Rattus enganus — Enggano Rat
 * Rattus montanus — Nillu Rat
 * Reithrodontomys spectabilis — Cozumel Harvest Mouse
 * Relictus solitarius — Relict Dace
 * Rhabdalestes leleupi
 * Rhacophorus angulirostris
 * Rhacophorus arvalis
 * Rhacophorus aurantiventris
 * Rhacophorus calcadensis
 * Rhacophorus lateralis
 * Rhacophorus pseudomalabaricus
 * Rhagomys rufescens — Brazilian Arboreal Mouse
 * Rhamphophryne macrorhina
 * Rhamphophryne nicefori
 * Rhamphophryne rostrata
 * Rhantus alutaceus
 * Rheocles wrightae — Zona
 * Rhinobatos horkelii — Brazilian guitarfish
 * Rhinoceros sondaicus — Javan Rhinoceros
 * Rhinoceros unicornis — Great Indian Rhinoceros, Indian Rhinoceros
 * Rhinocypha hageni
 * Rhinocypha ogasawarensis
 * Rhinocypha uenoi
 * Rhinoderma rufum
 * Rhinolophus convexus — Convex Horseshoe Bat
 * Rhinolophus hilli
 * Rhinolophus imaizumii — Imaizumi's Horseshoe Bat
 * Rhinolophus keyensis — Insular Horseshoe Bat
 * Rhinolophus maclaudi — Maclaud's Horseshoe Bat
 * Rhinolophus ziama
 * Rhinomyias albigularis — White-throated Jungle-flycatcher
 * Rhinopithecus avunculus — Tonkin Snub-nosed Monkey
 * Rhinopithecus bieti — Black Snub-nosed Monkey, Yunnan Snub-nosed Monkey
 * Rhinopithecus brelichi — Gray Snub-nosed Monkey, Guizhou Snub-nosed Monkey
 * Rhinoptera brasiliensis — Brazilian Cownose Ray
 * Rhinoptilus bitorquatus — Jerdon's Courser
 * Rhipidolestes okinawanus
 * Rhithrodytes agnus
 * Rhodonessa caryophyllacea — Pink-headed Duck
 * Rhogeessa alleni — Allen's Yellow Bat
 * Rhogeessa mira — Least Yellow Bat
 * Rhopornis ardesiacus — Slender Antbird
 * Rhynchobatus luebberti — African wedgefish, Lubbert's guitarfish, Spikenose wedgefish
 * Rhynchocyon chrysopygus — Golden-rumped Elephant Shrew, Golden-rumped Sengi
 * Rhynchopsitta pachyrhyncha — Thick-billed Parrot
 * Rhynochetos jubatus — Kagu
 * Rhysoconcha variumbilicata
 * Rhytida clarki
 * Rhytida oconnori
 * Risiocnemis seidenschwarzi
 * Rollandia microptera — Titicaca Flightless Grebe
 * Romanichthys valsanicola — Asprete
 * Romerolagus diazi — Volcano Rabbit
 * Rostroraja alba — Bottlenose skate, Spearnose skate, White skate
 * Ruatara koarana
 * Rukia ruki — Faichuk White-eye
 * Rutilus meidingerii

S

 * Sacalia bealei — Beal's-eyed Turtle
 * Sacalia quadriocellata — Four-eyed Turtle
 * Saguinus bicolor — Brazilian Bare-faced Tamarin, Pied Bare-faced Tamarin, Pied Tamarin
 * Saguinus oedipus — Cotton-headed Tamarin, Cottontop Tamarin
 * Saiga tatarica — Saiga Antelope, Saiga
 * Saimiri oerstedii — Black-crowned Central American Squirrel Monkey, Central American Squirrel Monkey, Red-backed Squirrel Monkey
 * ''Sarcophilus harrisii - Tasmanian Devil
 * Salaria economidisi
 * Salmo carpio
 * Salmo peristericus
 * Salmo platycephalus — Ala balik
 * Salmothymus obtusirostris — Adriatic salmon
 * Salvelinus japonicus — Kirikuchi char
 * Samoana abbreviata — Short Samoan tree snail
 * Samoana annectens
 * Samoana attenuata
 * Samoana conica
 * Samoana diaphana — Moorean viviparous tree snail
 * Samoana fragilis — Tree snail
 * Samoana solitaria — Moorean viviparous tree snail
 * Samoana thurstoni
 * Sandelia bainsii — Eastern Province Rocky
 * Santa Catalina Island Shrew
 * Sarotherodon caroli — Fissi
 * Sarotherodon linnellii — Unga
 * Sarotherodon lohbergeri — Leka keppe
 * Sarotherodon steinbachi — Kululu
 * Sarothrura ayresi — White-winged Flufftail
 * Sarothrura watersi — Slender-billed Flufftail
 * Saxicola dacotiae — Fuerteventura Chat
 * Scaphiophryne boribory
 * Scaphiophryne gottlebei
 * Scaphirhynchus albus — Pallid sturgeon
 * Scaphirhynchus suttkusi — Alabama sturgeon
 * Scardinius graecus — Greek Rudd
 * Scardinius scardafa
 * Scaturiginichthys vermeilipinnis — Red-finned blue-eye
 * Schayera baiulus
 * Schizoeaca perijana — Perijá Thistletail
 * Schizothorax lepidothorax
 * Scinax alcatraz
 * Scleropages formosus — Asian arowana, Asian bonytongue, Gold arowana, Golden Dragon Fish, Kelesa
 * Scolomys melanops — South American Spiny Mouse
 * Scolomys ucayalensis — Ucayali Spiny Mouse
 * Scolopax rochussenii — Moluccan Woodcock
 * Scomberomorus concolor — Monterrey Spanish mackerel
 * Scotonycteris ophiodon — Pohle's Fruit Bat
 * Scotopelia ussheri — Rufous Fishing-owl
 * Scotophilus borbonicus — Lesser Yellow Bat
 * Scutiger chintingensis
 * Scutiger maculatus
 * Scutiger muliensis
 * Scutiger ningshanensis
 * Scutiger pingwuensis
 * Scytalopus iraiensis — Marsh Tapaculo
 * Scytalopus psychopompus — Bahia Tapaculo
 * Sebastes fasciatus — Redfish
 * Sebastes paucispinus — Bocaccio rockfish
 * Sebastolobus alascanus — Shortspine thornyhead
 * Selevinia betpakdalaensis — Desert Dormouse
 * Sephanoides fernandensis — Juan Fernández Firecrown
 * Serinus flavigula — Yellow-throated Seedeater
 * Sheppardia gabela — Gabela Akalat
 * Sheppardia montana — Usambara Akalat
 * Sicista armenica — Armenian Birch Mouse
 * Sicista caudata — Long-tailed Birch Mouse
 * Sigmodontomys aphrastus — Harris's Rice Water Rat
 * Silurus mento
 * Simias concolor — Pig-tailed Langur, Pig-tailed Snub-nosed Monkey
 * Sinhalestes orientalis
 * Siphonaria compressa
 * Siphonorhis americana — Jamaican Pauraque
 * Sitta ledanti — Algerian Nuthatch
 * Sitta victoriae — White-browed Nuthatch
 * Smilisca dentata — Rana-de Arbol De Tierras Altas
 * Sminthopsis aitkeni — Kangaroo Island Dunnart
 * Sminthopsis douglasi — Julia Creek Dunnart
 * Sminthopsis psammophila — Large Desert Marsupial-mouse, Sandhill Dunnart, Sandhill Sminthopsis
 * Solenodon cubanus — Almiqui, Cuban Solenodon
 * Solenodon paradoxus — Haitian Solenodon, Hispaniolan Solenodon
 * Solisorex pearsoni — Pearson's Long-clawed Shrew
 * Solomys ponceleti — Poncelet's Giant Rat, Poncelet's Naked-tailed Rat
 * Somatochlora hineana — Hine's Emerald
 * Somatogyrus biangulatus — Angular pebblesnail
 * Somatogyrus coosaensis — Coosa pebblesnail
 * Somatogyrus crassus — Stocky pebblesnail
 * Somatogyrus currierianus — Tennessee pebblesnail
 * Somatogyrus decipiens — Hidden pebblesnail
 * Somatogyrus excavatus — Ovate pebblesnail
 * Somatogyrus hendersoni — Fluted pebblesnail
 * Somatogyrus humerosus — Atlas pebblesnail
 * Somatogyrus nanus — Dwarf pebblesnail
 * Somatogyrus obtusus — Moom pebblesnail
 * Somatogyrus pygmaeus — Pygmy pebblesnail
 * Somatogyrus quadratus — Quadrate pebblesnail
 * Somatogyrus strengi — Rolling pebblesnail
 * Somatogyrus tennesseensis — Opaque pebblesnail
 * Somatogyrus virginicus — Panhandle pebblesnail
 * Somersiella sterreri
 * Somuncuria somuncurensis — Somuncura Frog
 * Sorex cansulus — Gansu Shrew
 * Sorex cylindricauda — Greater Stripe-backed Shrew, Stripe-backed Shrew
 * Sorex hydrodromus — Pribilof Island Shrew
 * Sorex jacksoni — St Lawrence Island Shrew
 * Sorex kozlovi — Kozlov's Shrew
 * Sorex sadonis — Sado Shrew
 * Sorex sclateri — Sclater's Shrew
 * Sorex stizodon — San Cristobal Shrew
 * Soriculus salenskii — Salenski's Shrew
 * Spelaeoecia bermudensis
 * Spelaeorchestia koloana — Kaui Cave Amphipod
 * Speleoithona bermudensis
 * Speleomantes supramontis — Supramonte Cave Salamander
 * Speleoperipatus spelaeus
 * Speleophria bivexilla
 * Speleophria scottodicarloi
 * Speocirolana thermydromis
 * Speoplatyrhinus poulsoni — Alabama cavefish
 * Spermophilus brunneus — Idaho Ground Squirrel
 * Sphaerodactylus micropithecus — Monito Gecko
 * Sphaerolana affinis
 * Sphaerolana interstitialis
 * Spheniscus mendiculus — Galápagos Penguin
 * Spilocuscus rufoniger — Black-spotted Cuscus
 * Spiralothelphusa fernandoi
 * Spiralothelphusa parvula
 * Spizaetus bartelsi — Javan Hawk-eagle
 * Spizaetus floris — Flores Hawk-eagle
 * Spizella wortheni — Worthen's Sparrow
 * Spizocorys fringillaris — Botha's Lark
 * Sporophila melanops — Hooded Seedeater
 * Sporophila palustris — Marsh Seedeater
 * Sporophila zelichi — Entre Ríos Seedeater
 * Spratellicypris palata — Palata
 * Squalius anatolicus
 * Squalius keadicus
 * Squalius lucumonis
 * Squalius microlepis
 * Squalius palaciosi — Bogardilla
 * Squalius torgalensis
 * Squatina aculeata — Monkfish, Sawback angelshark, Spiny angelshark
 * Squatina argentina — Argentine angelshark, Longfin Angel Shark
 * Squatina occulta — Smoothback angel shark
 * Squatina oculata — Monkfish, Smoothback angel shark
 * Squatina squatina — Angel shark
 * Stachyris nigrorum — Negros Striped-babbler
 * Stagnicola utahensis — Thickshell pondsnail
 * Stanleya neritinoides
 * Starnoenas cyanocephala — Blue-headed Quail-dove
 * Stenomys vandeuseni — Van Deusen's Rat
 * Stephopaedes anotis — Chirinda Toad
 * Stephopaedes howelli
 * Stephopaedes usambarae
 * Stereolepis gigas — Black sea bass, Giant sea bass
 * Sterna albostriata — Black-fronted Tern
 * Sterna bernsteini — Chinese Crested-tern
 * Sterna lorata — Peruvian Tern
 * Stomatepia mariae — Nsess
 * Stomatepia mongo — Mongo
 * Stomatepia pindu — Pindu
 * Streptocephalus dendrophorus
 * Streptocephalus dendyi
 * Streptocephalus gracilis
 * Streptocephalus guzmani
 * Streptocephalus moorei
 * Streptocephalus woottoni — Riverside Fairy Shrimp
 * Streptocephalus zuluensis
 * Strigops habroptila — Kakapo
 * Stumpffia helenae
 * Sturnira thomasi — Thomas's Yellow-shouldered Bat
 * Sturnus melanopterus — Black-winged Starling
 * Stygobromus hayi — Hay's Spring Amphipod
 * Stygobromus pecki — Peck's Cave Amphipod
 * Stymphalornis acutirostris — Marsh Antwren
 * Subuliniscus arambourgi
 * Succinea piratarum
 * Succinea quadrasi
 * Suncus ater — Black Shrew
 * Suncus fellowesgordoni — Sri Lanka Shrew
 * Suncus mertensi — Flores Shrew
 * Suncus zeylanicus — Jungle Shrew
 * Sundamys maxi — Bartels's Rat
 * Sundasciurus juvencus — Northern Palawan Tree Squirrel
 * Sus cebifrons — Visayan Warty Pig
 * Sus salvanius — Pygmy Hog
 * Sus verrucosus — Javan Pig, Javan Warty Pig
 * Sylvilagus dicei — Dice's Cottontail
 * Sylvilagus graysoni — Tres Marias Cottontail, Tres Marias Rabbit
 * Sylvilagus insonus — Omilteme Cottontail, Omilteme Rabbit
 * Sylvisorex camerunensis
 * Sylvisorex isabellae — Isabella Shrew
 * Sympetrum nigrifemur
 * Synallaxis infuscata — Plain Spinetail
 * Synallaxis tithys — Blackish-headed Spinetail
 * Synallaxis zimmeri — Russet-bellied Spinetail
 * Syncaris pacifica — California freshwater shrimp
 * Syngnathus watermeyeri — River pipefish
 * Sypheotides indicus — Lesser Florican

T

 * Tacheocampylaea tacheoides
 * Tachybaptus rufolavatus — Alaotra Grebe
 * Tadorna cristata — Crested Shelduck
 * Talpa streeti — Persian Mole
 * Tangara cabanisi — Azure-rumped Tanager
 * Taphozous troughtoni
 * Taphrolesbia griseiventris — Grey-bellied Comet
 * Tapirus bairdii — Baird's Tapir, Central American Tapir
 * Tapirus pinchaque — Andean Tapir, Mountain Tapir, Wooly tapir
 * Tasmanipatus anophthalmus
 * Taudactylus acutirostris — Sharp Snouted Day Frog, Sharp-nosed Torrent Frog
 * Taudactylus eungellensis — Eungella Day Frog, Eungella Torrent Frog
 * Taudactylus pleione — Kroombit Tinker Frog, Pleione's Torrent Frog
 * Taudactylus rheophilus — Northern Tinker Frog, Tinkling Frog
 * Tauraco bannermani — Bannerman's Turaco
 * tree frog-red eyed tree frog,barking tree frog
 * Telescopus hoogstraali
 * Telespiza ultima — Nihoa Finch
 * Telestes beoticus — Paskóviza
 * Telestes polylepis
 * Telestes turskyi
 * Telmatobius atacamensis
 * Telmatobius brevipes
 * Telmatobius brevirostris
 * Telmatobius ceiorum
 * Telmatobius cirrhacelis
 * Telmatobius colanensis
 * Telmatobius culeus
 * Telmatobius degener
 * Telmatobius edaphonastes
 * Telmatobius gigas
 * Telmatobius hypselocephalus
 * Telmatobius ignavus
 * Telmatobius laticeps
 * Telmatobius latirostris
 * Telmatobius mayoloi
 * Telmatobius necopinus
 * Telmatobius niger
 * Telmatobius pefauri
 * Telmatobius pisanoi
 * Telmatobius platycephalus
 * Telmatobius schreiteri
 * Telmatobius scrocchii
 * Telmatobius sibiricus
 * Telmatobius stephani
 * Telmatobius thompsoni
 * Telmatobius truebae
 * Telmatobius vellardi
 * Telmatobius zapahuirensis
 * Telmatobufo bullocki
 * Telmatobufo venustus
 * Tenualosa thibaudeaui
 * Teramulus waterloti
 * Terenura sharpei — Yellow-rumped Antwren
 * Terenura sicki — Orange-bellied Antwren
 * Terpsiphone corvidougalli
 * Thermosphaeroma dugesi
 * Thermosphaeroma macrura
 * Thermosphaeroma milleri
 * Thermosphaeroma smithi
 * Thersites mitchellae — Mitchell's rainforest snail
 * Thinornis novaeseelandiae — Shore Plover
 * Thorius arboreus
 * Thorius aureus
 * Thorius boreas
 * Thorius dubitus
 * Thorius grandis
 * Thorius infernalis
 * Thorius lunaris
 * Thorius macdougalli
 * Thorius magnipes
 * Thorius minutissimus
 * Thorius minydemus
 * Thorius munificus
 * Thorius narismagnus
 * Thorius narisovalis
 * Thorius omiltemi
 * Thorius papaloae
 * Thorius pennatulus
 * Thorius pulmonaris
 * Thorius schmidti
 * Thorius spilogaster
 * Thorius troglodytes
 * Thoropa lutzi
 * Threskiornis bernieri — Madagascar Sacred Ibis
 * Throscodectes xederoides
 * Throscodectes xiphos
 * Thryothorus nicefori — Niceforo's Wren
 * Thunnus maccoyii — Southern bluefin tuna
 * Thylogale calabyi — Alpine Wallaby, Calaby's Pademelon
 * Tilapia guinasana — Otjikoto tilapia
 * Tiliqua adelaidensis — Adelaide Pigmy Blue-tongue Skink, Pygmy Bluetongue
 * Tinostoma smaragditis — Fabulous Green Sphinx Moth, Fabulous Green Sphinx Of Kauai
 * Tiradelphe schneideri — Schneider's Surprise
 * Todiramphus gambieri — Tuamotu Kingfisher
 * Todiramphus godeffroyi — Marquesan Kingfisher
 * Tokudaia muenninki — Muennink's Spiny Rat
 * Tokudaia osimensis — Ryūkyū spiny rat
 * Tomicha cawstoni
 * Tomicha natalensis
 * Tomicha rogersi
 * Tomistoma schlegelii — False Gavial, False Gharial, Malayan Gharial
 * Tor yunnanensis
 * Torreornis inexpectata — Cuban Sparrow
 * Totoaba macdonaldi — Totoaba
 * Touit melanonotus — Brown-backed Parrotlet
 * Toxolasma cylindrellus — Pale lilliput naiad, Pale lilliput pearly mussel, Pale lilliput
 * Toxostoma guttatum — Cozumel Thrasher
 * Trachemys adiutrix — Carvalho's Slider
 * Trachycystis clifdeni — Dlinza forest pinwheel
 * Trachycystis haygarthi
 * Trachycystis placenta
 * Trachypithecus auratus — Ebony Leaf Monkey, Javan Langur
 * Trachypithecus delacouri — Delacour's Langur, White-rumped Black Leaf Monkey
 * Trachypithecus geei — Gee's Golden Langur, Golden Leaf Monkey
 * Trachypithecus pileatus — Bonneted Langur, Capped Langur, Capped Leaf Monkey, Capped Monkey
 * Trachypithecus poliocephalus — White-headed Langur
 * Trachypithecus vetulus — Purple-faced Leaf Monkey
 * Tragelaphus buxtoni — Mountain Nyala
 * Treron psittaceus — Timor Green-pigeon
 * Trichocichla rufa — Long-legged Thicketbird
 * Tricula montana
 * Trimenia wallengrenii — Wallengren's Copper
 * Trimerotropis infantilis — Zyantc Band-winged Grasshopper
 * Trimerotropis occidentaloides — Santa Monica Mountains Grasshopper
 * Trimerotropis occulens — Lompoc Grasshopper
 * Tringa guttifer — Spotted Greenshank
 * Tristramella sacra
 * Trithemis nigra
 * Trochidrobia inflata
 * Trochochlamys ogasawarana
 * Trochoidea pseudojacosta
 * Trochomorpha apia
 * Trogopterus xanthipes — Complex-toothed Flying Squirrel
 * Tropidophora articulata
 * Tropidophora deburghiae
 * Tropidoptera heliciformis
 * Truncatellina arcyensis
 * Tulotoma magnifica — Tulotoma
 * Tupaia longipes — Bornean Tree Shrew, Long-footed Tree Shrew
 * Tupaia nicobarica — Nicobar Tree Shrew
 * Turdus helleri — Taita Thrush
 * Turdus ludoviciae — Somali Thrush
 * Turdus swalesi — La Selle Thrush
 * Turnix olivii — Buff-breasted Buttonquail
 * Tylomys bullaris — Chiapan Climbing Rat
 * Tylomys tumbalensis — Tumbala Climbing Rat
 * Tylototriton hainanensis — Hainan Knobby Newt
 * Typhlatya iliffei
 * Typhleotris madgascarensis
 * Typhleotris pauliani
 * Typhlomys chapensis — Chapa Pygmy Dormouse
 * Typhlops monensis — Mona Blind Snake
 * Tyrannus cubensis — Giant Kingbird
 * Tyto nigrobrunnea — Taliabu Masked-owl
 * Tyto soumagnei — Madagascar Red Owl

U

 * Uma inornata — Coachella Valley Fringe-toed Lizard
 * Uncia uncia — Ounce, Snow Leopard
 * Urocyon littoralis — California Channel Island Fox, Channel Islands Fox, Island Fox, Island Gray Fox
 * Urogymnus ukpam — Pincushion ray
 * Urolophus javanicus — Java stingaree
 * Urolophus orarius — Coastal stingaree
 * Uromys rex — King Rat
 * Uropsilus investigator — Inquisitive Shrew Mole
 * Uropsilus soricipes — Chinese Shrew Mole
 * Urothemis thomasi

V

 * Valencia hispanica — Valencia toothcarp
 * Valencia letourneuxi
 * Vanellus gregarius — Sociable Lapwing
 * Vanellus macropterus — Javanese Lapwing
 * Varecia variegata — Ruffed Lemur
 * Varicorhinus platystoma
 * Varicorhinus ruandae
 * Variola vera
 * Vermivora bachmanii — Bachman's Warbler
 * Vibrissaphora boringii
 * Vibrissaphora echinata
 * Vibrissaphora leishanensis
 * Victaphanta compacta
 * Villosa perpurpurea — Purple bean
 * Villosa trabalis — Cumberland bean pearly mussel, Cumberland bean
 * Vini kuhlii — Kuhl's Lorikeet
 * Vini peruviana — Blue Lorikeet
 * Vini ultramarina — Ultramarine Lorikeet,
 * Vipera albizona — Mountain viper
 * Vipera bulgardaghica — Bulgardagh viper
 * Vipera darevskii
 * Vipera kaznakovi — Caucasus viper
 * Vipera pontica
 * Vipera ursinii — Meadow viper, Orsini's viper
 * Vipera wagneri — Wagner's viper
 * Vireo masteri — Chocó Vireo
 * Viverra civettina — Malabar Civet, Malabar Large-spotted Civet

W

 * Weberogobius amadi — Poso bungu
 * Werneria bambutensis
 * Werneria iboundji
 * Werneria mertensiana
 * Werneria preussi
 * Werneria submontana
 * Werneria tandyi
 * Wild whitnebeast
 * Wolterstorffina chirioi
 * ''Wolterstorffina mirei'

X

 * Xanthomyza phrygia — Regent Honeyeater
 * Xenoclarias eupogon — Lake Victoria deepwater catfish
 * Xenoglaux loweryi — Long-whiskered Owlet
 * Xenoophorus captivus — Relict splitfin
 * Xenoperdix udzungwensis — Udzungwa Forest-partridge
 * Xenophrys brachykolos — Short-legged Horned Toad
 * Xenopirostris damii — Van Dam's Vanga
 * Xenopoecilus oophorus — Egg-carrying Buntingi
 * Xenopoecilus poptae — Popta's Buntingi
 * Xenopoecilus sarasinorum
 * Xenopus gilli — Cape Clawed Toad, Cape Platanna, Gill's Platanna
 * Xenopus longipes — Lake Oku Clawed Frog
 * Xenospiza baileyi — Sierra Madre Sparrow
 * Xerosecta giustii
 * Xipholena atropurpurea — White-winged Cotinga
 * Xiphophorus couchianus — Monterrey platyfish
 * Xiphophorus gordoni
 * Xiphophorus meyeri
 * Xylotoles costatus — Pitt Island Longhorn Beetle
 * Xyrauchen texanus — Razorback sucker
 * Xystichromis nuchisquamulatus
 * Xystichromis phytophagus
 * Xystichromis sp. nov. 'Kyoga flameback'

Y

 * Yunnanilus nigromaculatus

Z

 * Zaglossus bruijni — Long-beaked Echidna, Long-nosed Echidna, Long-nosed Spiny Anteater, New Guinea Long-nosed Echidna
 * Zavattariornis stresemanni — Ethiopian Bush-crow
 * Zilchogyra paulistana
 * Zingel asper — Apron, Asper, Rhone streber
 * Zingis radiolata
 * Zonitoides jaccetanicus
 * Zoothera guttata — Spotted Ground-thrush
 * Zosterops albogularis — White-chested White-eye
 * Zosterops chloronothus — Mauritius Olive White-eye
 * Zosterops conspicillatus — Bridled White-eye
 * Zosterops luteirostris — Ghizo White-eye
 * Zosterops modestus — Seychelles White-eye
 * Zosterops nehrkorni — Sangihe White-eye
 * Zosterops rotensis — Rota Bridled White-eye
 * Zosterops tenuirostris — Slender-billed White-eye
 * Zygogeomys trichopus — Michoacan Pocket Gopher
 * Zyzomys palatilis — Carpentarian Rock Rat
 * Zyzomys pedunculatus — Central Rock Rat, Central Thick-tailed Rock-rat