abstract
| - 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. : Top · 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
* 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
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