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.

A

• Acheilognathus elongatus
• Acipenser Endangered
• Acrocephalus brevipennis — Cape Verde Warbler
• Acrocephalus familiaris — Millerbird
• Acrocephalus griseldis — Basra Reed-warbler
• Acrocephalus luscinius — Nightingale Reed-warbler
• Acrocephalus rodericanus — Rodrigues Warbler
• Acrodipsas illidgei — Illidge's ant blue
• Addax nasomaculatus — Addax, Antilope Blanche
• Adelocosa anops — Kauai Cave Wolf Spider, No-eyed Big-eyed Wolf Spider
• Adelophryne maranguapensis
• Adelopoma stolli
• Adelphicos daryi
• Adenomus dasi
• Adenomus kelaartii
• Adetomyrma venatrix
• Adrianichthys kruyti — Duck-billed Buntingi
• Advena charon
• Aegotheles savesi — New Caledonian Owlet-nightjar
• 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 Alligator
• Allocebus trichotis — Hairy-eared dwarf lemur
• Allochromis welcommei
• Allotoca maculata — Opal goodeid
• Alosa alabamae — Alabama shad
• Alosa vistonica
• Alouatta pigra — Guatemalan Black Howler, Guatemalan Howler, Guatemalan Howling Monkey, Mexican Black Howler Monkey
• Alsodes montanus
• Alsodes tumultuosus
• Alsodes vanzolinii
• Alsophis antiguae — Antiguan Racer
• Alsophis ater — Black Racer
• Alsophis rijersmai — Leeward Island Racer
• Alsophis rufiventris — Red-bellied Racer
• Altiphrynoides malcolmi
• Amanipodagrion gilliesi
• Amastra cylindrica
• Amastra micans
• Amastra rubens
• Amastra spirizona
• Amauris comorana — Comoro Friar
• Amaurornis olivieri — Sakalava Rail
• Amazilia 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
• Argenteohyla siemersi
• 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
• Aythya innotata — Madagascar Pochard

B

• Bahaba taipingensis — 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
• Balebreviceps hillmani
• Bangsia aureocincta — Gold-ringed Tanager
• Barbatula eregliensis
• Barbatula samantica
• Barbatula seyhanensis
• Barbatula simavica
• Barbatula tschaiyssuensis
• Barbouria cubensis
• Barbourula kalimantanensis — Bornean Flat-headed Frog
• Barbus acuticeps
• Barbus calidus — Clanwilliam Redfin
• Barbus caninus — Brook Barbel
• Barbus chantrei
• Barbus claudinae
• Barbus erubescens — Twee River Redfin
• Barbus euboicus — Petropsaro
• Barbus graecus
• Barbus quadralineatus
• Barbus ruasae
• Barbus serra — Sawfin
• Barbus trevelyani — Barb, Border Barb
• Basileuterus griseiceps — Grey-headed Warbler
• Bassaricyon lasius — Harris's Olingo
• Bassaricyon pauli — Chiriqui Olingo
• 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 — Setaro's Dwarf Chameleon, Caméléon Nain Épineux
• Bradypodion taeniabronchum — Smith's Dwarf Chamaeleon
• Bradypterus graueri — Grauer's Scrub-warbler
• Bradypus pygmaeus — Pygmy Three-toed Sloth
• Bradypus torquatus — Maned Sloth, Maned Three-toed Sloth
• Bradytriton silus
• Branchinecta belki
• Branchinecta conservatio — Conservancy fairy shrimp
• Branchinecta longiantenna — Longhorn fairy shrimp
• Branchinecta mexicana
• Branchinecta sandiegonensis — San Diego fairy shrimp
• Branchinella alachua — Peninsula fairy shrimp
• Branchinella lithaca — Stone Mountain fairy shrimp
• Bromeliohyla bromeliacia
• Bromeliohyla dendroscarta
• Brotogeris pyrrhoptera — Grey-cheeked Parakeet
• Brycinus jacksonii — Victoria robber
• Bubalus bubalis — Wild Asian Water buffalo,
• 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
• Cacatua sulphurea — Yellow-crested Cockatoo
• Caecidotea barri — Clifton Cave Isopod
• Cairina scutulata — White-winged Duck
• Calamodontophis sp. nov.
• 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 — St. 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-headed Softshell Turtle
• Chitra indica — Narrow-headed Softshell Turtle
• Chlamydephorus purcelli — Purcell's Hunter Slug
• Chlamydogobius micropterus — Elizabeth Springs Goby
• Chlamydogobius squamigenus — Edgbaston Goby
• Chlorocichla prigoginei — Prigogine's Greenbul
• Chlorocnemis montana
• Chlorocypha molindica
• Chlorocypha schmidti
• Chlorogomphus iriomotensis
• Chlorolestes apricans — Basking Malachite
• Chondrohierax wilsonii — Cuban Kite
• Chondrostoma arrigonis
• Chondrostoma beysehirense
• Chondrostoma kinzelbachi
• Chondrostoma lusitanicus
• Chondrostoma oretanum
• Chondrostoma phoxinus — Minnow-nase
• Chondrostoma soetta — Italian Nase
• Chondrostoma turiense
• Chrotomys gonzalesi — Isarog Striped Shrew-rat, 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