| Common Name | Scientific Name | Status |
|---|---|---|
| Addax | Addax nasomaculatus | Endangered |
| Anoa, lowland | Bubalus depressicornis | Endangered |
| Anoa, mountain | Bubalus quarlesi | Endangered |
| Antelope, giant sable | Hippotragus niger variani | Endangered |
| Antelope, Tibetan | Panthalops hodgsonii | Endangered |
| Argali [All populations except Kyrgyzstan, Mongolia, and Tajikistan] | Ovis ammon | Endangered |
| Argali [Kyrgyzstan, Mongolia, and Tajikistan] | Ovis ammon | Threatened |
| Armadillo, giant | Priodontes maximus | Endangered |
| Armadillo, pink fairy | Chlamyphorus truncatus | Endangered |
| Ass, African wild | Equus africanus | Endangered |
| Ass, Asian wild | Equus hemionus | Endangered |
| Avahi | Avahi laniger(=entire genus) | Endangered |
| Aye-aye | Daubentonia madagascariensis | Endangered |
| Babirusa | Babyrousa babyrussa | Endangered |
| Baboon, gelada | Theropithecus gelada | Threatened |
| Bandicoot, barred | Perameles bougainville | Endangered |
| Bandicoot, desert | Perameles eremiana | Endangered |
| Bandicoot, lesser rabbit | Macrotis leucura | Endangered |
| Bandicoot, pig-footed | Chaeropus ecaudatus | Endangered |
| Bandicoot, rabbit | Macrotis lagotis | Endangered |
| Banteng | Bos javanicus | Endangered |
| Bat, Bulmer's fruit (flying fox) | Aproteles bulmerae | Endangered |
| Bat, bumblebee | Craseonycteris thonglongyai | Endangered |
| Bat, Florida bonneted | Eumops floridanus | Endangered |
| Bat, gray | Myotis grisescens | Endangered |
| Bat, Hawaiian hoary | Lasiurus cinereus semotus | Endangered |
| Bat, Indiana | Myotis sodalis | Endangered |
| Bat, little Mariana fruit | Pteropus tokudae | Endangered |
| Fruit Bat, Mariana (=fanihi, Mariana flying fox) | Pteropus mariannus mariannus | Threatened |
| Bat, Mexican long-nosed | Leptonycteris nivalis | Endangered |
| Bat, northern long-eared | Myotis septentrionalis | Threatened |
| Bat, Ozark big-eared | Corynorhinus (=Plecotus) townsendii ingens | Endangered |
| Bat, Pacific sheath-tailed (Mariana subspecies) (Payeyi, Paischeey) | Emballonura semicaudata rotensis | Endangered |
| Bat, Pacific sheath-tailed (South Pacific subspecies) (= peapea vai, American Samoa; = tagiti, Samoa; = beka beka, Fiji) | Emballonura semicaudata semicaudata | Endangered |
| Bat, Rodrigues fruit (flying fox) | Pteropus rodricensis | Endangered |
| Bat, Singapore roundleaf horseshoe | Hipposideros ridleyi | Endangered |
| Bat, Virginia big-eared | Corynorhinus (=Plecotus) townsendii virginianus | Endangered |
| Bear, Baluchistan | Ursus thibetanus gedrosianus | Endangered |
| Bear, brown [Italy] | Ursus arctos arctos | Endangered |
| Bear, brown | Ursus arctos pruinosus | Endangered |
| Bear, grizzly | Ursus arctos horribilis | Threatened |
| Bear, grizzly | Ursus arctos horribilis | XN |
| Bear, Mexican grizzly | Ursus arctos | Endangered |
| Bear, polar | Ursus maritimus | Threatened |
| Beaver (Mongolia) | Castor fiber birulai | Endangered |
| Bison, wood | Bison bison athabascae | Threatened |
| Bison, wood | Bison bison athabascae | XN |
| Bobcat, Mexican | Lynx (=Felis) rufus escuinapae | Endangered |
| Bontebok (antelope) | Damaliscus pygarus (=dorcas) dorcas | Endangered |
| Camel, Bactrian | Camelus bactrianus | Endangered |
| Caribou, woodland [Southern Selkirk Mountains DPS] | Rangifer tarandus caribou | Endangered |
| Cat, Andean | Felis jacobita | Endangered |
| Cat, Asian golden (=Temminck's) | Catopuma (=Felis) temminckii | Endangered |
| Cat, black-footed | Felis nigripes | Endangered |
| Cat, flat-headed | Prionailurus (=Felis) planiceps | Endangered |
| Cat, Iriomote | Prionailurus (=Felis) bengalensis iriomotensis | Endangered |
| Cat, leopard | Prionailurus (=Felis) bengalensis bengalensis | Endangered |
| Cat, marbled | Pardofelis (=Felis) marmorata | Endangered |
| Cat, Pakistan sand | Felis margarita scheffeli | Endangered |
| Cat, tiger | Leopardus (=Felis) tigrinus | Endangered |
| Chamois, Apennine | Rupicapra rupicapra ornata | Endangered |
| Cheetah | Acinonyx jubatus | Endangered |
| Chimpanzee | Pan troglodytes | Endangered |
| Chimpanzee, pygmy | Pan paniscus | Endangered |
| Chinchilla | Chinchilla brevicaudata boliviana | Endangered |
| Civet, Malabar large-spotted | Viverra civettina (=megaspila c.) | Endangered |
| Deer, Bactrian | Cervus elaphus bactrianus | Endangered |
| Deer, Barbary | Cervus elaphus barbarus | Endangered |
| Deer, Calamianes (=Philippine) | Axis porcinus calamianensis | Endangered |
| Deer, Cedros Island mule | Odocoileus hemionus cedrosensis | Endangered |
| Deer, Columbian white-tailed [Columbia River DPS] | Odocoileus virginianus leucurus | Threatened |
| Deer, Corsican red | Cervus elaphus corsicanus | Endangered |
| Deer, Eld's brow-antlered | Cervus eldi | Endangered |
| Deer, Formosan sika | Cervus nippon taiouanus | Endangered |
| Deer, Indochina hog | Axis (=Cervus) porcinus annamiticus | Endangered |
| Deer, key | Odocoileus virginianus clavium | Endangered |
| Deer, Kuhl's (=Bawean) | Axis porcinus kuhli | Endangered |
| Deer, marsh | Blastocerus dichotomus | Endangered |
| Deer, McNeill's | Cervus elaphus macneilii | Endangered |
| Deer, musk | Moschus spp. (all species) | Endangered |
| Deer, North China sika | Cervus nippon mandarinus | Endangered |
| Deer, pampas | Ozotoceros bezoarticus | Endangered |
| Deer, Persian fallow | Dama mesopotamica (=dama m.) | Endangered |
| Deer, Ryukyu sika | Cervus nippon keramae | Endangered |
| Deer, Shansi sika | Cervus nippon grassianus | Endangered |
| Deer, South China sika | Cervus nippon kopschi | Endangered |
| Deer, swamp | Cervus duvauceli | Endangered |
| Deer, Visayan | Cervus alfredi | Endangered |
| Deer, Yarkand | Cervus elaphus yarkandensis | Endangered |
| Dhole | Cuon alpinus | Endangered |
| Dibbler | Antechinus apicalis | Endangered |
| Dog, African wild | Lycaon pictus | Endangered |
| Dolphin, Chinese river | Lipotes vexillifer | Endangered |
| Dolphin, South Asian River (Indus River subspecies) | Platanista gangetica minor | Endangered |
| Dolphin, South Island Hector's | Cephalorhynchus hectori hectori | Endangered |
| Dolphin, Maui | Cephalorhynchus hectori maui | Endangered |
| Drill | Mandrillus (=Papio) leucophaeus | Endangered |
| Dugong | Dugong dugon | Endangered |
| Duiker, Jentink's | Cephalophus jentinki | Endangered |
| Eland, western giant | Taurotragus derbianus derbianus | Endangered |
| Elephant, African | Loxodonta africana | Threatened |
| Elephant, Asian | Elephas maximus | Endangered |
| Ferret, black-footed | Mustela nigripes | Endangered |
| Ferret, black-footed | Mustela nigripes | XN |
| Fox, northern swift | Vulpes velox hebes | Endangered |
| Fox, San Joaquin kit | Vulpes macrotis mutica | Endangered |
| Fox, Santa Catalina Island | Urocyon littoralis catalinae | Threatened |
| Fox, Simien | Canis simensis | Endangered |
| Gazelle, Arabian | Gazella gazella | Endangered |
| Gazelle, Clark's | Ammodorcas clarkei | Endangered |
| Gazelle, dama | Gazella dama | Endangered |
| Gazelle, Mhorr | Gazella dama mhorr | Endangered |
| Gazelle, Moroccan | Gazella dorcas massaesyla | Endangered |
| Gazelle, mountain (=Cuvier's) | Gazella cuvieri | Endangered |
| Gazelle, Rio de Oro Dama | Gazella dama lozanoi | Endangered |
| Gazelle, Pelzeln's | Gazella dorcas pelzelni | Endangered |
| Gazelle, sand | Gazella subgutturosa marica | Endangered |
| Gazelle, Saudi Arabian | Gazella dorcas saudiya | Endangered |
| Gazelle, slender-horned | Gazella leptoceros | Endangered |
| Gibbons | Hylobates spp. (including Nomascus ) | Endangered |
| Goral | Nemorhedus goral | Endangered |
| Gorilla | Gorilla gorilla | Endangered |
| Hare, hispid | Caprolagus hispidus | Endangered |
| Hartebeest, Swayne's | Alcelaphus buselaphus swaynei | Endangered |
| Hartebeest, Tora | Alcelaphus buselaphus tora | Endangered |
| Hog, pygmy | Sus salvanius | Endangered |
| Horse, Przewalski's | Equus przewalskii | Endangered |
| Huemul, north Andean | Hippocamelus antisensis | Endangered |
| Huemul, south Andean | Hippocamelus bisulcus | Endangered |
| Hutia, Cabrera's | Capromys angelcabrerai | Endangered |
| Hutia, dwarf | Capromys nana | Endangered |
| Hutia, large-eared | Capromys auritus | Endangered |
| Hutia, little earth | Capromys sanfelipensis | Endangered |
| Hyena, Barbary | Hyaena hyaena barbara | Endangered |
| Hyena, brown | Parahyaena (=Hyaena) brunnea | Endangered |
| Ibex, Pyrenean | Capra pyrenaica pyrenaica | Endangered |
| Ibex, Walia | Capra walie | Endangered |
| Impala, black-faced | Aepyceros melampus petersi | Endangered |
| Indri | Indri indri(=entire genus) | Endangered |
| Jaguar | Panthera onca | Endangered |
| Jaguarundi, Guatemalan | Herpailurus (=Felis) yagouaroundi fossata | Endangered |
| Jaguarundi, Gulf Coast | Herpailurus (=Felis) yagouaroundi cacomitli | Endangered |
| Jaguarundi, Panamanian | Herpailurus (=Felis) yagouaroundi panamensis | Endangered |
| Jaguarundi, Sinaloan | Herpailurus (=Felis) yagouaroundi tolteca | Endangered |
| Kangaroo rat, Fresno | Dipodomys nitratoides exilis | Endangered |
| Kangaroo rat, giant | Dipodomys ingens | Endangered |
| Kangaroo rat, Morro Bay | Dipodomys heermanni morroensis | Endangered |
| Kangaroo rat, San Bernardino Merriam's | Dipodomys merriami parvus | Endangered |
| Kangaroo rat, Stephens' | Dipodomys stephensi (incl. D. cascus) | Endangered |
| Kangaroo rat, Tipton | Dipodomys nitratoides nitratoides | Endangered |
| Kangaroo, Tasmanian forester | Macropus giganteus tasmaniensis | Endangered |
| Koala | Phascolarctos cinereus | Threatened |
| Kouprey | Bos sauveli | Endangered |
| Langur, capped | Trachypithecus (=Presbytis) pileatus | Endangered |
| Langur, Douc | Pygathrix nemaeus | Endangered |
| Langur, Francois' | Trachypithecus (=Presbytis) francoisi | Endangered |
| Langur, golden | Trachypithecus (=Presbytis) geei | Endangered |
| Langur, gray (=entellus) | Semnopithecus (=Presbytis) entellus | Endangered |
| Langur, long-tailed | Presbytis potenziani | Threatened |
| Langur, Pagi Island | Nasalis concolor | Endangered |
| Langur, purple-faced | Presbytis senex | Threatened |
| Lechwe, red | Kobus leche | Threatened |
| Lemurs | Lemuridae (incl. genera Lemur, Phaner, Hapalemur, Lepilemur, Microcebus, Allocebus, Cheirogaleus, Varecia ) | Endangered |
| Leopard | Panthera pardus | Endangered |
| Leopard [Southern Africa populations] | Panthera pardus | Threatened |
| Leopard, clouded | Neofelis nebulosa | Endangered |
| Leopard, snow | Uncia (=Panthera) uncia | Endangered |
| Linsang, spotted | Prionodon pardicolor | Endangered |
| Lion | Panthera leo leo | Endangered |
| Lion | Panthera leo melanochaita | Threatened |
| Loris, lesser slow | Nycticebus pygmaeus | Threatened |
| Lynx, Canada [Contiguous U.S. DPS] | Lynx canadensis | Threatened |
| Lynx, Spanish | Felis pardina | Endangered |
| Macaque, Formosan rock | Macaca cyclopis | Threatened |
| Macaque, Japanese | Macaca fuscata | Threatened |
| Macaque, lion-tailed | Macaca silenus | Endangered |
| Macaque, stump-tailed | Macaca arctoides | Threatened |
| Macaque, Toque | Macaca sinica | Threatened |
| Manatee, Amazonian | Trichechus inunguis | Endangered |
| Manatee, West African | Trichechus senegalensis | Threatened |
| Manatee, West Indian | Trichechus manatus | Threatened |
| Mandrill | Mandrillus (=Papio) sphinx | Endangered |
| Mangabey, Tana River | Cercocebus galeritus galeritus | Endangered |
| Mangabey, white-collared | Cercocebus torquatus | Endangered |
| Margay | Leopardus (=Felis) wiedii | Endangered |
| Markhor, chiltan (=wild goat) | Capra falconeri (=aegagrus) chiltanensis | Endangered |
| Markhor, straight-horned | Capra falconeri megaceros | Threatened |
| Marmoset, buff-headed | Callithrix flaviceps | Endangered |
| Marmoset, cotton-top | Saguinus oedipus | Endangered |
| Marmoset, Goeldi's | Callimico goeldii | Endangered |
| Marmoset, white-eared (=buffy tufted-ear) | Callithrix aurita (=jacchus a.) | Endangered |
| Marmot, Vancouver Island | Marmota vancouverensis | Endangered |
| Marsupial, eastern jerboa | Antechinomys laniger | Endangered |
| Marsupial-mouse, large desert | Sminthopsis psammophila | Endangered |
| Marsupial-mouse, long-tailed | Sminthopsis longicaudata | Endangered |
| Marten, Formosan yellow-throated | Martes flavigula chrysospila | Endangered |
| Monkey, black colobus | Colobus satanas | Endangered |
| Monkey, black howler | Alouatta pigra | Threatened |
| Monkey, Diana | Cercopithecus diana | Endangered |
| Monkey, Guizhou snub-nosed | Rhinopithecus brelichi | Endangered |
| Monkey, L'hoest's | Cercopithecus lhoesti | Endangered |
| Monkey, mantled howler | Alouatta palliata | Endangered |
| Monkey, Preuss' red colobus | Procolobus (=Colobus) preussi (=badius p.) | Endangered |
| Monkey, proboscis | Nasalis larvatus | Endangered |
| Monkey, red-backed squirrel | Saimiri oerstedii | Endangered |
| Monkey, red-bellied | Cercopithecus erythrogaster | Endangered |
| Monkey, red-eared nose-spotted | Cercopithecus erythrotis | Endangered |
| Monkey, Sichuan snub-nosed | Rhinopithecus roxellana | Endangered |
| Monkey, spider | Ateles geoffroyi frontatus | Endangered |
| Monkey, spider | Ateles geoffroyl panamensis | Endangered |
| Monkey, Tana River red colobus | Procolobus (=Colobus) rufomitratus (=badius r.) | Endangered |
| Monkey, Tonkin snub-nosed | Rhinopithecus avunculus | Endangered |
| Monkey, woolly spider | Brachyteles arachnoides | Endangered |
| Monkey, yellow-tailed woolly | Lagothrix flavicauda | Endangered |
| Monkey, Yunnan snub-nosed | Rhinopithecus bieti | Endangered |
| Monkey, Zanzibar red colobus | Procolobus (=Colobus) pennantii (=kirki) kirki | Endangered |
| Mountain beaver, Point Arena | Aplodontia rufa nigra | Endangered |
| Mouse, Alabama beach | Peromyscus polionotus ammobates | Endangered |
| Mouse, Anastasia Island beach | Peromyscus polionotus phasma | Endangered |
| Mouse, Australian native | Notomys aquilo | Endangered |
| Mouse, Australian native | Zyzomys pedunculatus | Endangered |
| Mouse, Choctawhatchee beach | Peromyscus polionotus allophrys | Endangered |
| Mouse, Field's | Pseudomys fieldi | Endangered |
| Mouse, Gould's | Pseudomys gouldii | Endangered |
| Mouse, Key Largo cotton | Peromyscus gossypinus allapaticola | Endangered |
| Mouse, New Holland | Pseudomys novaehollandiae | Endangered |
| Mouse, New Mexico meadow jumping | Zapus hudsonius luteus | Endangered |
| Mouse, Pacific pocket | Perognathus longimembris pacificus | Endangered |
| Mouse, Perdido Key beach | Peromyscus polionotus trissyllepsis | Endangered |
| Mouse, Preble's meadow jumping | Zapus hudsonius preblei | Threatened |
| Mouse, salt marsh harvest | Reithrodontomys raviventris | Endangered |
| Mouse, Shark Bay | Pseudomys praeconis | Endangered |
| Mouse, Shortridge's | Pseudomys shortridgei | Endangered |
| Mouse, smoky | Pseudomys fumeus | Endangered |
| Mouse, southeastern beach | Peromyscus polionotus niveiventris | Threatened |
| Mouse, St. Andrew beach | Peromyscus polionotus peninsularis | Endangered |
| Mouse, western | Pseudomys occidentalis | Endangered |
| Muntjac, Fea's | Muntiacus feae | Endangered |
| Native-cat, eastern | Dasyurus viverrinus | Endangered |
| Numbat | Myrmecobius fasciatus | Endangered |
| Ocelot | Leopardus (=Felis) pardalis | Endangered |
| Orangutan | Pongo pygmaeus | Endangered |
| Oryx, Arabian | Oryx leucoryx | Endangered |
| Oryx, scimitar-horned | Oryx dammah | Endangered |
| Otter, Cameroon clawless | Aonyx congicus (=congica) microdon | Endangered |
| Otter, giant | Pteronura brasiliensis | Endangered |
| Otter, long-tailed | Lontra (=Lutra) longicaudis (incl. platensis ) | Endangered |
| Otter, marine | Lontra (=Lutra) felina | Endangered |
| Otter, northern sea [Southwest Alaska DPS] | Enhydra lutris kenyoni | Threatened |
| Otter, southern river | Lontra (=Lutra) provocax | Endangered |
| Otter, southern sea | Enhydra lutris nereis | Threatened |
| Panda, giant | Ailuropoda melanoleuca | Endangered |
| Pangolin, Temnick's ground | Manis temmincki | Endangered |
| Panther, Florida | Puma (=Felis) concolor coryi | Endangered |
| Planigale, little | Planigale ingrami subtilissima | Endangered |
| Planigale, southern | Planigale tenuirostris | Endangered |
| Pocket gopher, Olympia | Thomomys mazama pugetensis | Threatened |
| Pocket gopher, Roy Prairie | Thomomys mazama glacialis | Threatened |
| Pocket gopher, Tenino | Thomomys mazama tumuli | Threatened |
| Pocket gopher, Yelm | Thomomys mazama yelmensis | Threatened |
| Porcupine, thin-spined | Chaetomys subspinosus | Endangered |
| Porpoise, Gulf of California harbor (cochito, vaquita) | Phocoena sinus | Endangered |
| Possum, Leadbeater's | Gymnobelideus leadbeateri | Endangered |
| Possum, mountain pygmy | Burramys parvus | Endangered |
| Possum, scaly-tailed | Wyulda squamicaudata | Endangered |
| Prairie dog, Mexican | Cynomys mexicanus | Endangered |
| Prairie dog, Utah | Cynomys parvidens | Threatened |
| Pronghorn, peninsular | Antilocapra americana peninsularis | Endangered |
| Pronghorn, Sonoran | Antilocapra americana sonoriensis | Endangered |
| Pronghorn, Sonoran | Antilocapra americana sonoriensis | XN |
| Pudu | Pudu pudu | Endangered |
| Puma (=mountain lion) | Puma (=Felis) concolor (all subsp. except coryi ) | T(S/A) |
| Puma, Costa Rican | Puma (=Felis) concolor costaricensis | Endangered |
| Quokka | Setonix brachyurus | Endangered |
| Rabbit, Columbia Basin pygmy [Columbia Basin DPS] | Brachylagus idahoensis | Endangered |
| Rabbit, Lower Keys | Sylvilagus palustris hefneri | Endangered |
| Rabbit, riparian brush | Sylvilagus bachmani riparius | Endangered |
| Rabbit, Ryukyu | Pentalagus furnessi | Endangered |
| Rabbit, volcano | Romerolagus diazi | Endangered |
| Rat, false water | Xeromys myoides | Endangered |
| Rat, stick-nest | Leporillus conditor | Endangered |
| Rat-kangaroo, brush-tailed | Bettongia penicillata | Endangered |
| Rat-kangaroo, desert (=plain) | Caloprymnus campestris | Endangered |
| Rat-kangaroo, Gaimard's | Bettongia gaimardi | Endangered |
| Rat-kangaroo, Lesuer's | Bettongia lesueur | Endangered |
| Rat-kangaroo, Queensland | Bettongia tropica | Endangered |
| Rhinoceros, black | Diceros bicornis | Endangered |
| Rhinoceros, great Indian | Rhinoceros unicornis | Endangered |
| Rhinoceros, Javan | Rhinoceros sondaicus | Endangered |
| Rhinoceros, northern white | Ceratotherium simum cottoni | Endangered |
| Rhinoceros, southern white | Ceratotherium simum simum | T(S/A) |
| Rhinoceros, Sumatran | Dicerorhinus sumatrensis | Endangered |
| Rice rat [Lower FL Keys DPS] | Oryzomys palustris natator | Endangered |
| Saiga, Mongolian (antelope) | Saiga tatarica mongolica | Endangered |
| Saki, southern bearded | Chiropotes satanas satanas | Endangered |
| Saki, white-nosed | Chiropotes albinasus | Endangered |
| Sea lion, Steller [Western DPS] | Eumetopias jubatus | Endangered |
| Seal, bearded [Beringia DPS] | Erignathus barbatus nauticus | Threatened |
| Seal, bearded [Okhotsk DPS] | Erignathus barbatus nauticus | Threatened |
| Seal, Guadalupe fur | Arctocephalus townsendi | Threatened |
| Seal, Hawaiian monk | Neomonachus schauinslandi (=Monachus schauinslandi) | Endangered |
| Seal, Mediterranean monk | Monachus monachus | Endangered |
| Seal, ringed (Arctic subspecies) | Phoca (=Pusa) hispida hispida | Threatened |
| Seal, ringed (Baltic subspecies) | Phoca (=Pusa) hispida botnica | Threatened |
| Seal, ringed (Ladoga subspecies) | Phoca (=Pusa) hispida ladogensis | Endangered |
| Seal, ringed (Okhotsk subspecies) | Phoca (=Pusa) hispida ochotensis | Threatened |
| Seal, ringed (Saimaa subspecies) | Phoca hispida saimensis | Endangered |
| Seal, spotted [Southern DPS] | Phoca largha | Threatened |
| Seledang | Bos gaurus | Endangered |
| Serow | Naemorhedus (=Capricornis) sumatraensis | Endangered |
| Serval, Barbary | Leptailurus (=Felis) serval constantina | Endangered |
| Shapo | Ovis vignei vignei | Endangered |
| Sheep, Peninsular bighorn [Peninsular CA DPS] | Ovis canadensis nelsoni | Endangered |
| Sheep, Sierra Nevada bighorn | Ovis canadensis sierrae | Endangered |
| Shou | Cervus elaphus wallichi | Endangered |
| Shrew, Buena Vista Lake | Sorex ornatus relictus | Endangered |
| Siamang | Symphalangus syndactylus | Endangered |
| Sifakas | Propithecus spp. | Endangered |
| Sloth, Brazilian three-toed | Bradypus torquatus | Endangered |
| Solenodon, Cuban | Solenodon cubanus | Endangered |
| Solenodon, Haitian | Solenodon paradoxus | Endangered |
| Squirrel, Carolina northern flying | Glaucomys sabrinus coloratus | Endangered |
| Squirrel, Mount Graham red | Tamiasciurus hudsonicus grahamensis | Endangered |
| Squirrel, northern Idaho ground | Spermophilus brunneus brunneus | Threatened |
| Stag, Barbary | Cervus elaphus barbarus | Endangered |
| Stag, Kashmir | Cervus elaphus hanglu | Endangered |
| Suni, Zanzibar | Neotragus moschatus moschatus | Endangered |
| Tahr, Arabian | Hemitragus jayakari | Endangered |
| Tamaraw | Bubalus mindorensis | Endangered |
| Tamarin, golden-rumped | Leontopithecus spp. | Endangered |
| Tamarin, pied | Saguinus bicolor | Endangered |
| Tamarin, white-footed | Saguinus leucopus | Threatened |
| Tapir, Asian | Tapirus indicus | Endangered |
| Tapir, Central American | Tapirus bairdii | Endangered |
| Tapir, mountain | Tapirus pinchaque | Endangered |
| Tapir, South American (=Brazilian) | Tapirus terrestris | Endangered |
| Tarsier, Philippine | Tarsius syrichta | Threatened |
| Tiger | Panthera tigris | Endangered |
| Tiger, Tasmanian | Thylacinus cynocephalus | Endangered |
| Uakari (all species) | Cacajao spp. | Endangered |
| Urial | Ovis musimon ophion | Endangered |
| Vicuna [Argentina, Bolivia, Chile and Peru] | Vicugna vicugna | Threatened |
| Vicuna [Ecuador DPS] | Vicugna vicugna | Endangered |
| Vole, Amargosa | Microtus californicus scirpensis | Endangered |
| Vole, Florida salt marsh | Microtus pennsylvanicus dukecampbelli | Endangered |
| Wallaby, banded hare | Lagostrophus fasciatus | Endangered |
| Wallaby, brindled nail-tailed | Onychogalea fraenata | Endangered |
| Wallaby, crescent nail-tailed | Onychogalea lunata | Endangered |
| Wallaby, Parma | Macropus parma | Endangered |
| Wallaby, western hare | Lagorchestes hirsutus | Endangered |
| Wallaby, yellow-footed rock | Petrogale xanthopus | Endangered |
| Whale, beluga [Cook Inlet DPS] | Delphinapterus leucas | Endangered |
| Whale, blue | Balaenoptera musculus | Endangered |
| Whale, bowhead | Balaena mysticetus | Endangered |
| Whale, false killer [Main Hawaiian Islands Insular DPS] | Pseudorca crassidens | Endangered |
| Whale, finback | Balaenoptera physalus | Endangered |
| Whale, gray [Western North Pacific DPS] | Eschrichtius robustus | Endangered |
| Whale, humpback [Arabian Sea DPS] | Megaptera novaeangliae | Endangered |
| Whale, humpback [Cape Verde Islands/Northwest Africa DPS] | Megaptera novaeangliae | Endangered |
| Whale, humpback [Central America DPS] | Megaptera novaeangliae | Endangered |
| Whale, humpback [Mexico DPS] | Megaptera novaeangliae | Threatened |
| Whale, humpback [Western North Pacific DPS] | Megaptera novaeangliae | Endangered |
| Whale, killer [Southern Resident DPS] | Orcinus orca | Endangered |
| Whale, North Atlantic right | Eubalaena glacialis | Endangered |
| Whale, North Pacific right | Eubalaena japonica | Endangered |
| Whale, sei | Balaenoptera borealis | Endangered |
| Whale, Southern right | Eubalaena australis | Endangered |
| Whale, sperm | Physeter catodon (=macrocephalus) | Endangered |
| Wolf, gray | Canis lupus | Endangered |
| Wolf, gray [MN DPS] | Canis lupus | Threatened |
| Wolf, maned | Chrysocyon brachyurus | Endangered |
| Wolf, Mexican | Canis lupus baileyi | Endangered |
| Wolf, Mexican | Canis lupus baileyi | XN |
| Wolf, red | Canis rufus | Endangered |
| Wolf, red | Canis rufus | XN |
| Wombat, Queensland hairy-nosed (incl. Barnard's) | Lasiorhinus krefftii(formerly L. barnardi and L. gillespiei ) | Endangered |
| Woodrat, Key Largo | Neotoma floridana smalli | Endangered |
| Woodrat, riparian (San Joaquin Valley) | Neotoma fuscipes riparia | Endangered |
| Yak, wild | Bos mutus (=grunniens m.) | Endangered |
| Zebra, Grevy's | Equus grevyi | Threatened |
| Zebra, Hartmann's mountain | Equus zebra hartmannae | Threatened |
| Zebra, mountain | Equus zebra zebra | Endangered |