Mammals are near and dear to our hearts and unfortunately many of them are in peril. Endangerment faces a large number of the most recognized and loved animals on planet earth.
Below you’ll find a list of endangered animals, some dangerously close to extinction.
Species Name
- Abbott’s Duiker
- Aberdare Mole Shrew
- Addax
- Aders’ Duiker
- Admiralty Cuscus
- Aellen’s Roundleaf Bat
- African Elephant
- African Golden Cat
- African Lion
- African White-Bellied Pangolin
- African Wild Ass
- African Wild Dog
- Agile Gibbon
- Alaotran Gentle Lemur
- Alcorn’s Pocket Gopher
- Aldabra Flying-Fox
- Allegheny Woodrat
- Allen’s Cotton Rat
- Alpine Shrew
- Alpine Wallaby
- Alpine Woolly Rat
- Altai Weasel
- Amami Spiny Rat
- Amargosa Vole
- Amazonian Manatee
- American Bison
- Andaman Horseshoe Bat
- Andaman Rat
- Andaman Spiny Shrew
- Andaman White-Toothed Shrew
- Andean Bear
- Andean Caenolestid
- Andean Cat
- Andean Hairy Armadillo
- Andean Night Monkey
- Andean Titi Monkey
- Anderson’s Squirrel
- Angel Island Mouse
- Angolan Epauletted Fruit Bat
- Anhui Musk Deer
- Ankarana Sportive Lemur
- Ansell’s Shrew
- Antafia Sportive Lemur
- Apeco Oldfield Mouse
- Apennine Chamois
- Appalachian Cottontail
- Aquatic Rat
- Aquatic Tenrec
- Arabian Gazelle
- Arabian Oryx
- Arabian Tahr
- Aratathomas’s Yellow Shouldered Bat
- Arend’s Golden Mole
- Arfak Ringtail
- Argali
- Argentine Tuco-Tuco
- Armenian Birch Mouse
- Armenian Myotis
- Arnhem Land Rock Rat
- Arnhem Leaf-Nosed Bat
- Arrogant Shrew
- Aru Flying Fox
- Arunachal Macaque
- Ashaninka Oldfield Mouse
- Asia Minor Ground Squirrel
- Asian Elephant
- Asian Golden Cat
- Asian Leopard Cat
- Asian Small-Clawed Otter
- Asian Tapir
- Asian Wild Ass
- Asiatic Black Bear
- Asiatic Lion
- Asiatic Short-Tailed Shrew
- Assam Macaque
- Atacama Myotis
- Atherton Antechinus
- Atlantic Humpbacked Dolphin
- Atlantic Titi
- Australian Sea-Lion
- Australian Snubfin Dolphin
- Avahi
- Awash Multimammate Mouse
- Aye-Aye
- Ayres Black Uakari
- Azara’s Tuco-Tuco
- Azorean Bat
- Babault’s Mouse Shrew
- Babirusa
- Back-Striped Sportive Lemur
- Bactrian Camel
- Baer’s Wood Mouse
- Bahaman Lesser Funnel-Eared Bat
- Bahamian Hutia
- Bailey’s Shrew
- Baja California Rock Squirrel
- Baker’s Small Toothed Harvest Mouse
- Balabac Mouse Deer
- Bald Uakari
- Bale Monkey
- Bale Shrew
- Balkan Blind Mole Rat
- Balkan Snow Vole
- Baluchistan Forest Dormouse
- Banana Bat
- Banded Hare Wallaby
- Banded Palm Civit
- Banded Surili
- Bangs’s Mountain Squirrel
- Banks Flying Fox
- Banner-Tailed Kangaroo Rat
- Banteng
- Barbary Macaque
- Barbary Serval
- Barbary Sheep
- Barbour’s Vlei Rat
- Bare-Backed Rousette
- Barred Bandicoot
- Bartels’s Rat
- Bavarian Pine Vole
- Beach Mouse
- Beach Vole
- Bearded Saki
- Beccari’s Margareta Rat
- Bechstein’s Bat
- Beira Antelope
- Beisa Oryx
- Beluga Whale
- Bemaraha Woolly Lemur
- Bengal Slow Loris
- Beni Titi Monkey
- Bennett’s Tree Kangaroo
- Berg’s Tuco-Tuco
- Bhutan Giant Flying Squirrel
- Biak Bare-Backed Fruit Bat
- Biak Giant Rat
- Big Deer Mouse
- Big Mexican Small-Eared Shrew
- Big Pocket Gopher
- Big-Headed Mole Rat
- Bighorn Sheep
- Bioko Forest Shrew
- Birdlike Noctule
- Bismarck Flying Fox
- Bismarck Giant Rat
- Black And Rufous Elephant Shrew
- Black Colobus Monkey
- Black Crested Gibbon
- Black Crested Mangabey
- Black Dorcopsis Wallaby
- Black Finless Porpoise
- Black Giant Squirrel
- Black Jackrabbit
- Black Lemur
- Black Muntjac
- Black Musk Deer
- Black Rhinoceros
- Black Squirrel Monkey
- Black Wallaroo
- Black-and-White Ruffed Lemur
- Black-Bearded Flying Fox
- Black-Clawed Brush-Furred Rat
- Black-Crowned Dwarf Marmoset
- Black-Faced Black Spider Monkey
- Black-Faced Impala
- Black-Footed Cat
- Black-Footed Ferret
- Black-Footed Gray Langur
- Black-Footed Rock Wallaby
- Black-Footed Tree Rat
- Black-Fronted Titi Monkey
- Black-Handed Tamarin
- Black-Headed Uakari
- Black-Horned Capuchin
- Black-Spotted Cuscus
- Black-Striped Squirrel
- Black-Tailed Deer Mouse
- Black-Tailed Hutia
- Black-Wristed Deer Mouse
- Blackbuck
- Blackish Shrew Opossum
- Blick’s Grass Rat
- Blond Titi Monkey
- Blonde Capuchin
- Blue Whale
- Blue-Eyed Cuscus
- Blue-Eyed Spotted Cuscus
- Blunt-Eared Bat
- Blyth’s Flying Fox
- Bolano’s Woodrat
- Bolivian Chinchilla Rat
- Bonetto’s Tuco-Tuco
- Bongo
- Bonhote’s Mouse
- Bonin Flying Fox
- Bontebok
- Booted Macaque
- Bornean Banded Langur
- Bornean Leaf-Nosed Bat
- Bornean Orangutan
- Bornean Slow Loris
- Bornean Water Shrew
- Borneo Bay Cat
- Bougainville Giant Rat
- Bougainville Monkey-Faced Bat
- Bourlon’s Genet
- Bowhead Whale
- Bramble Cay Mosaic-Tailed Rat
- Brandt’s Hamster
- Brazilian Arboreal Mouse
- Brazilian Funnel-Eared Bat
- Brazilian Three-Banded Armadillo
- Brazilian Three-Toed Sloth
- Bridges’s Degu
- Bridled Nail-Tailed Wallaby
- Broad-Striped Dasyure
- Broad-Striped Mongoose
- Broad-Toothed Mouse
- Bronze Quoll
- Bronze Tube-Nosed Bat
- Brooks’s Dyak Fruit Bat
- Broom Hare
- Brown Bear
- Brown Hyena
- Brown Palm Civet
- Brown’s Hutia
- Brown-Headed Spider Monkey
- Brown-Tailed Mongoose
- Bruijn’s Pogonomelomys
- Brumback’s Night Monkey
- Brush-Tailed Phascogale
- Brush-Tailed Rabbit Rat
- Brush-Tailed Rat-Kangaroo
- Brush-Tailed Rock Wallaby
- Bryant’s Woodrat
- Buena Vista Lake Ornate Shrew
- Buenos Aires Leaf-Eared Mouse
- Buettikofer’s Shrew
- Buff-Headed Capuchin
- Buffy-Headed Marmoset
- Buller’s Chipmunk
- Bulmer’s Fruit Bat
- Bumblebee Bat
- Bunn’s Short-Tailed Bandicoot Rat
- Burmeister’s Armadillo
- Burrowing Vole
- Burt’s Deer Mouse
- Burton’s Vlei Rat
- Bush Dog
- Butler’s Dunnart
- Buxton’s Jird
- Cabrera’s Hutia
- Cabrera’s Vole
- California Red Tree Mouse
- Cameron Highlands Niviventer
- Cameroon Clawless Otter
- Cameroon Climbing Mouse
- Cameroon Soft-furred Mouse
- Cameroonian Forest Shrew
- Cameroonian Shrew
- Camiguin Forest Mouse
- Camiguin Forest Rat
- Canarian Shrew
- Canary Big-eared Bat
- Canut’s Horseshoe Bat
- Cape York Rock Wallaby
- Capped Langur
- Caribbean Monk Seal
- Carmen Mountain Shrew
- Carpentarian False Antechinus
- Carpentarian Rock Rat
- Caspian Seal
- Catalina Deer Mouse
- Caucasian Birch Mouse
- Caucasian Mountain Ground Squirrel
- Cedros Island Mule Deer
- Celebes Crested Macaque
- Central American Tapir
- Central Kashmir Vole
- Central Rock Rat
- Central Sulawesi Echiothrix
- Ceylon Jungle Shrew
- Ceylon Pygmy Shrew
- Ceylon Spiny Mouse
- Chacoan Naked-tailed Armadillo
- Chacoan Peccary
- Chacoan Pygmy Opossum
- Chapman’s Prehensile Tailed Hutia
- Charming Thicket Rat
- Checkered Sengi
- Cheetah
- Chiapan Climbing Rat
- Chiapan Deer Mouse
- Chihuahuan Deer Mouse
- Chilean Caenolestid
- Chilean Dolphin
- Chimpanzee
- Chinanteco Deer Mouse
- Chinese Goral
- Chinese Pangolin
- Chinese River Dolphin
- Chinese Serow
- Chinese Water Deer
- Choco Broad-nosed Bat
- Christmas Island Pipistrelle
- Christmas Island Shrew
- Chunyi
- Clarke’s Gazelle
- Clear-winged Woolly Bat
- Cleft-headed Juliomys
- Cloud Forest Rice Rat
- Clouded Leopard
- Coalcolman Deer Mouse
- Coastal Black-handed Titi
- Coastal Sheath-tailed Bat
- Cochabamba Grass Mouse
- Coiban Agouti
- Coimbra-filho’s Titi Monkey
- Collared Brown Lemur
- Colombian Black-handed Titi
- Colombian Night Monkey
- Colombian Weasel
- Colombian Woolly Monkey
- Commerson’s Leaf-nosed Bat
- Common Bentwing Bat
- Common Brown Lemur
- Common Hippopotamus
- Common Woolly Monkey
- Comoro Black Flying Fox
- Comoro Rousette
- Complex-toothed Flying Squirrel
- Congo Shrew
- Cook’s Hocicudo
- Coquerel’s Giant Mouse Lemur
- Coquerel’s Sifaka
- Coronados Deer Mouse
- Corsican Hare
- Cotton-top Marmoset
- Cougar
- Cozumel Harvest Mouse
- Crab-eating Rat
- Crescent Nail-tailed Wallaby
- Crested Capuchin
- Crested Genet
- Crested Tailed Deer Mouse
- Cretan White-toothed Shrew
- Crocidura hikmiya
- Crossley’s Dwarf Lemur
- Crowned Lemur
- Crowned Sifaka
- Ctenomys rionegrensis
- Cuban Evening Bat
- Cuban Greater Funnel-eared Bat
- Cuban Lesser Funnel-eared Bat
- Cuban Solenodon
- Cuban Yellow Bat
- Culion Tree Squirrel
- Curacaoan Long-nosed Bat
- Cuvier’s Gazelle
- Cuvier’s Hutia
- Cyprian Wild Sheep
- D’Albertis’s Ringtail
- D’entrecasteaux Archipelago Tree Mouse
- D’Orbigny’s Tuco-tuco
- Dahl’s Jird
- Dalquest’s Pocket Mouse
- Dama Gazelle
- Darien Small Eared Shrew
- Dark Bolo Mouse
- Dark-brown Serotine
- Dark-tailed Tree Rat
- Darwin’s Fox
- David’s Spiny Bandicoot
- Day’s Shrew
- Dayak Fruit Bat
- De Graaff’s Praomys
- De Winton’s Golden Mole
- Decken’s Horseshoe Bat
- Definitive Leaf-eared Mouse
- Dekeyser’s Nectar Bat
- Delacour’s Langur
- Delany’s Swamp Mouse
- Delectable Soft-furred Mouse
- Delicate Deer Mouse
- Delmarva Peninsula Fox Squirrel
- Desert Bandicoot
- Desert Pocket Gopher
- Desert Rat-kangaroo
- Desperate Shrew
- Dhole
- Diademed Sifaka
- Dian’s Tarsier
- Diana Monkey
- Dibbler
- Dickey’s Deer Mouse
- Dieterlen’s Brush-furred Mouse
- Diminutive Wood Rat
- Dinagat Bushy-tailed Cloud Rat
- Dinagat Gymnure
- Dinagat Hairy-tailed Rat
- Dingiso
- Dominican Myotis
- Dorcas Gazelle
- Doria’s Tree Kangaroo
- Dorias Tree-kangaroo
- Douc Langur
- Drill
- Dryad Monkey
- Dryland Mouse Opossum
- Dugong
- Duke Of Bedford’s Vole
- Durga Das’s Leaf-nosed Bat
- Dusky Hopping Mouse
- Dusky Leaf-monkey
- Dusky Mosaic-tailed Rat
- Dusky Wallaby
- Dusky-striped Squirrel
- Duthie’s Golden Mole
- Dwarf Bharal
- Dwarf Flying Fox
- Dwarf Gymnure
- Dwarf Hutia
- Dwarf Musk Deer
- Dwarf Red Brocket Deer
- Ear-spot Squirrel
- East African Highland Shrew
- East African Little Collared Fruit Bat
- East-coast Free-tailed Bat
- Eastern Barred Bandicoot
- Eastern Black Crested Gibbon
- Eastern Gorilla
- Eastern Hoolock Gibbon
- Eastern Jerboa Marsupial
- Eastern Long-beaked Echidna
- Eastern Puna Mouse
- Eastern Quoll
- Eastern Rufous Mouse Lemur
- Eastern Tur
- Ecuadoran Spiny Pocket Mouse
- Ecuadorean Grass Mouse
- Ecuadorian Sac-winged Bat
- Eisentraut’s Mouse Shrew
- Eisentraut’s Shrew
- Eisentraut’s Striped Mouse
- El Carrizo Deer Mouse
- Eld’s Browantlered Deer
- Elegant Margaretamys
- Elias’ Atlantic Spiny-rat
- Elvira Rat
- Emily’s Tuco-tuco
- Emma’s Giant Rat
- Emperor Rat
- Ender’s Small-eared Shrew
- Endo’s Pipistrelle
- Equatorial Dog-faced Bat
- Ethiopian Amphibious Rat
- Ethiopian Thicket Rat
- Ethiopian Wolf
- Etigo Mole
- Euphrates Jerboa
- Eurasian Otter
- European Bison
- European Ground Squirrel
- European Marbled Polecat
- European Mink
- European Rabbit
- Faint-striped Opossum
- False Water Rat
- Far Eastern Myotis
- Fat-nosed Spiny Rat
- Father Basilio’s Striped Mouse
- Fawn Hopping Mouse
- Fea’s Muntjac
- Felten’s Myotis
- Fernandez’s Sword-nosed Bat
- Fernandina Galapagos Mouse
- Fernandina Island Galapagos Mouse
- Field’s Mouse
- Fijian Blossom Bat
- Fijian Free-tailed Bat
- Fijian Monkey-faced Bat
- Finback Whale
- Findley’s Myotis
- Fish-eating Bat
- Fishing Cat
- Flat-headed Cat
- Flat-headed Myotis
- Flores Giant Tree Rat
- Flores Shrew
- Flores Woolly Bat
- Florida Bonneted Bat
- Florida Deermouse
- Florida Salt Marsh Vole
- Forest Thicket Rat
- Fork-crowned Lemur
- Formosan Woolly Horseshoe Bat
- Formosan Yellow-throated Marten
- Fossa
- Fossorial Giant Rat
- Four-horned Antelope
- Four-striped Ground Squirrel
- Four-toed Jerboa
- Francois’ Langur
- Fraternal Hill Rat
- Fraternal Squirrel
- Frosted Myotis
- Furtive Tuco-tuco
- Fynbos Golden Mole
- Gaimard’s Rat-kangaroo
- Galapagos Islands Fur Seal
- Galapagos Rice Rat
- Galapagos Sea Lion
- Garden Dormouse
- Garrido’s Hutia
- Geata Mouse Shrew
- Gebe Cuscus
- Geelvink Bay Flying Fox
- Gelada Baboon
- Genoways’s Yellow Bat
- Geoffroy’s Cat
- Geoffroy’s Peruvian Woolly Monkey
- Geoffroy’s Spider Monkey
- Gerenuk
- Ghost Bat
- Giant Anteater
- Giant Armadillo
- Giant Atlantic Tree Rat
- Giant Bandicoot
- Giant Blind Mole Rat
- Giant Bushy-tailed Cloud Rat
- Giant Golden Mole
- Giant Ground Pangolin
- Giant Kangaroo Rat
- Giant Noctule Bat
- Giant Otter
- Giant Panda
- Giant Sable Antelope
- Giant Thicket Rat
- Giant-striped Mongoose
- Gilbert’s Potoroo
- Gilded Tube-nosed Bat
- Glacier Rat
- Glass’s Shrew
- Gloomy Tube-nosed Bat
- Goeldi’s Marmoset
- Goeldi’s Spiny Rat
- Goitered Gazelle
- Golden Bamboo Lemur
- Golden Bandicoot
- Golden Hamster
- Golden Langur
- Golden Lion Tamarin
- Golden Palm Civet
- Golden Vizcacha Rat
- Golden-backed Squirrel Monkey
- Golden-bellied Treeshrew
- Golden-capped Fruit Bat
- Golden-crowned Sifaka
- Golden-headed Lion Tamarin
- Golden-mantle Saddleback Tamarin
- Golden-mantled Tree-kangaroo
- Golden-rumped Elephant Shrew
- Golden-rumped Tamarin
- Golden-white Bare-ear Marmoset
- Goldman’s Diminutive Woodrat
- Goldman’s Pocket Mouse
- Goodfellow’s Tree-kangaroo
- Goodman’s Mouse Lemur
- Goral
- Gorgas’s Rice Rat
- Gorontalo Macaque
- Gotel Mountain Soft-furred Mouse
- Gould’s Mouse
- Grandidier’s Trident Bat
- Gray Bamboo Lemur
- Gray Bat
- Gray Dorcopsis
- Gray Grass Mouse
- Gray Langur
- Gray Mouse Lemur
- Gray Whale
- Gray Wolf
- Gray-bellied Shrew Opossum
- Gray-faced Sengi
- Gray-footed Spiny Rat
- Gray-handed Night Monkey
- Gray-headed Flying Fox
- Great Indian Rhinoceros
- Great Key Island Mosaic-tailed Rat
- Greater Bamboo Lemur
- Greater Dwarf Lemur
- Greater Fat-tailed Jerboa
- Greater Large-headed Shrew
- Greater Long-tailed Bat
- Greater Marmoset Rat
- Greater Mascarene Flying Fox
- Greater Monkey-faced Bat
- Greater Slow Loris
- Greater Stick-nest Rat
- Greater Wilfred’s Mouse
- Gressitt’s Paramelomys
- Grevy’s Zebra
- Grizzled Giant Squirrel
- Grizzled Mexican Small-eared Shrew
- Grizzled Tree Kangaroo
- Groove-toothed Trumpet-eared Bat
- Guadalcanal Monkey-faced Bat
- Guadalcanal Rat
- Guadalupe Fur Seal
- Guadeloupe Big Brown Bat
- Guadeloupe Big-eyed Bat
- Guatamalan Small Eared Shrew
- Guatemalan Black Howler Monkey
- Guatemalan Vole
- Guiana Spider Monkey
- Guina
- Guinea Baboon
- Guinean Horseshoe Bat
- Guizhou Snub-nosed Monkey
- Gunning’s Golden Mole
- Guramba Shrew
- Hainald’s Flores Island Rat
- Hainan Gymnure
- Hainan Hare
- Hairy Harvest Mouse
- Hairy Little Fruit Bat
- Hairy Long-nosed Armadillo
- Hairy-eared Dwarf Lemur
- Hairy-nosed Otter
- Hairy-tailed Tree Rat
- Haitian Solenodon
- Halmaheran Blossom Bat
- Hammond’s Rice Rat
- Handley’s Slender Mouse Opossum
- Handley’s Tailless Bat
- Harenna Shrew
- Harmles Serotine
- Hartebeest
- Hartwig’s Soft-furred Mouse
- Hastings River Mouse
- Hawaiian Hoary Bat
- Hawaiian Monk Seal
- Heavenly Hill Rat
- Heck’s Macaque
- Hector’s Dolphin
- Highveld Golden Mole
- Hildegarde’s Tomb Bat
- Hill Shrew
- Hill’s Horseshoe Bat
- Himalayan Musk Deer
- Himalayan Serow
- Himalayan Tahr
- Himalayan Wood Mouse
- Hispaniolan Greater Funnel-eared Bat
- Hispid Hare
- Hodgson’s Giant Flying Squirrel
- Hoffmann’s Pika
- Hog Badger
- Hog Deer
- Honduran White Bat
- Hooded Seal
- Hoogerwerf’s Sumatran Rat
- Hoogstraal’s Gerbil
- Hoolock Gibbon
- Horse-tailed Squirrel
- Horsfield’s Tarsier
- Hose’s Langur
- Hose’s Palm Civet
- Howell’s Forest Shrew
- Hualapai Mexican Vole
- Hume’s Rat
- Hummelinck’s Vesper Mouse
- Humpback Whale
- Hunter’s Antelope
- Huon Tree-kangaroo
- Hyrcanian Field Mouse
- Idaho Ground Squirrel
- Ili Pika
- Inca Oldfield Mouse
- Incan Little Mastiff Bat
- Indian Brown Mongoose
- Indian Giant Squirrel
- Indian Pangolin
- Indiana Bat
- Indo-pacific Hump-backed Dolphin
- Indochinese Lutung
- Indri
- Indus River Dolphin
- Inland Hill Rat
- Irrawaddy Dolphin
- Isabel Giant Rat
- Isalo Serotine Bat
- Isarog Rhynchomys
- Isarog Shrew Mouse
- Island Fox
- Ixtlan Deer Mouse
- Jackson’s Mongoose
- Jaguar
- Jaguarundi
- Jalapan Pine Vole
- Jaliscan Spiny Pocket Mouse
- Jamaican Greater Funnel-eared Bat
- Jamaican Red Bat
- Japanese Noctule
- Japanese Short-tailed Bat
- Javan Bamboo Rat
- Javan Grizzled Langur
- Javan Lutung
- Javan Pithecheir
- Javan Rhinoceros
- Javan Rusa
- Javan Shrew-like Mouse
- Javan Slit-faced Bat
- Javan Slow Loris
- Javan Tailless Fruit Bat
- Javan Warty Pig
- Jenkin’s Andaman Spiny Shrew
- Jenkins’ Shrew Tenrec
- Jentink’s Duiker
- Jico Deer Mouse
- Johnston’s Genet
- Jolly’s Mouse Lemur
- Jones’ Roundleaf Bat
- Juan Fernandez Fur Seal
- Julia Creek Dunnart
- Juliana’s Golden Mole
- Junin Slender Opossum
- Ka’apor Capuchin
- Kafue Mole Rat
- Kahuzi Swamp Shrew
- Kakadu Pebble Mouse
- Kalinowski’s Oldfield Mouse
- Kangaroo Island Dunnart
- Kangaroo Rat
- Karimi’s Fat-tailed Mouse Opossum
- Kashmir Gray Langur
- Kashmir Musk Deer
- Kazakhstan Blind Mole Rat
- Kazbeg Birch Mouse
- Keast’s Tube-nosed Fruit Bat
- Kelaart’s Long-clawed Shrew
- Kemp’s Thicket Rat
- Key Largo Cotton Mouse
- Key Largo Woodrat
- Kihaule’s Mouse Shrew
- Kilimanjaro Mouse Shrew
- Killer Whale
- Kinabalu Shrew
- King Colobus
- King Rat
- Kipunji
- Kivu Long-haired Shrew
- Kivu Shrew
- Kloss’s Gibbon
- Kluchor Birch Mouse
- Kolar Leaf-nosed Bat
- Komodo Rat
- Kondana Soft-furred Rat
- Koopman’s Pencil-tailed Tree Mouse
- Kosrae Flying Fox
- Kouprey
- Kowari
- Kozlov’s Pika
- L’hoest’s Monkey
- La Plata River Dolphin
- Lami Tuco-tuco
- Lamotte’s Roundleaf Bat
- Lampobatang Sulawesi Rat
- Laotian Black Langur
- Laotian Rock Rat
- Lar Gibbon
- Large Asian Leaf-nosed Bat
- Large Desert Marsupial-mouse
- Large False Serotine
- Large Flying-fox
- Large Indian Civet
- Large Iron-gray Dwarf Lemur
- Large Long-clawed Mouse
- Large Rufous Horseshoe Bat
- Large-antlered Muntjac
- Large-eared Free-tailed Bat
- Large-eared Hutia
- Large-eared Oldfield Mouse
- Large-eared Pied Bat
- Large-headed Forest Shrew
- Large-headed Rice Rat
- Large-spotted Civet
- Large-toothed Shrew
- Layard’s Palm Squirrel
- Leadbeater’s Possum
- Least Big-eared Bat
- Least Woolly Bat
- Least Yellow Bat
- Lemuroid Ringtail Possum
- Leopard
- Lesser Dwarf Lemur
- Lesser Kudu
- Lesser Leaf-nosed Bat
- Lesser Long-nosed Bat
- Lesser Marmoset Rat
- Lesser Rabbit Bandicoot
- Lesser Ranee Mouse
- Lesser Stick-nest Rat
- Lesser Tube-nosed Fruit Bat
- Lesser Wooly Horseshoe Bat
- Lesser Yellow-shouldered Bat
- Lesuer’s Rat-kangaroo
- Liberian Mongoose
- Lion-tailed Macaque
- Little Earth Hutia
- Little Goblin Bat
- Little Golden-mantled Flying Fox
- Little Hairy-footed Gerbil
- Little Mariana Fruit Bat
- Little Pied Bat
- Little Planigale
- Little Spotted Cat
- Little Woolly Mouse Opossum
- Lonchophylla concava
- Long-clawed Mole Vole
- Long-fingered Bat
- Long-footed Potoroo
- Long-haired Spider Monkey
- Long-headed Hill Rat
- Long-snouted Bat
- Long-tailed Big-footed Mouse
- Long-tailed Chinchilla
- Long-tailed Fat-tailed Opossum
- Long-tailed Forest Shrew
- Long-tailed Goral
- Long-tailed Marsupial-mouse
- Long-tailed Otter
- Long-tailed Talaud Mosaic-tailed Rat
- Lord Howe Long-eared Bat
- Los Chalchaleros’ Vizcacha Rat
- Lower Keys Marsh Rabbit
- Lowland Anoa
- Lowland Long-nosed Squirrel
- Lowland Red Forest Rat
- Lowland Sulawesi Haeromys
- Loyalty Bent-winged Bat
- Lucina’s Shrew
- Lund’s Atlantic Tree Rat
- Luzon Hairy-tailed Rat
- Lyle’s Flying Fox
- Maclaud’s Horseshoe Bat
- Macmillan’s Shrew
- Madagascan Flying Fox
- Madagascan Fruit Bat
- Madagascan Rousette
- Madame Berthe’s Mouse Lemur
- Madeira Pipistrelle
- Madura Horseshoe Bat
- Magdalena Wood Rat
- Magellanic Tuco-tuco
- Mahogany Glider
- Makira Flying Fox
- Makira Leaf-nosed Bat
- Malabar Large-spotted Civet
- Malabar Spiny Dormouse
- Malagasy Civet
- Malagasy Giant Jumping Rat
- Malagasy Mongoose
- Malagasy Narrow-striped Mongoose
- Malayan Free-tailed Bat
- Malayan Slit-faced Bat
- Malayan Sun Bear
- Malayan Tailless Leaf-nosed Bat
- Malayan Water Shrew
- Manado Rousette
- Mandelli’s Mouse-eared Myotis
- Mandrill
- Maned Wolf
- Manenguba Shrew
- Mantiqueira Atlantic Tree Rat
- Mantled Howler Monkey
- Manus Island Mosaic-tailed Rat
- Manusela Mosaic-tailed Rat
- Marbled Cat
- Margarita Island Kangaroo Rat
- Margay
- Marianas Flying Fox
- Marine Otter
- Marinkelle’s Sword-nosed Bat
- Markhor
- Marley’s Golden Mole
- Marsh Deer
- Mayan Deer Mouse
- Mayor’s Mouse
- Mearns’s Squirrel
- Mediterranean Horseshoe Bat
- Mediterranean Monk Seal
- Medium-tailed Brush-furred Rat
- Mehely’s Horseshoe Bat
- Melissa’s Yellow-eared Bat
- Mentawai Archipelago Rat
- Mentawai Langur
- Mentawai Long-tailed Giant Rat
- Mentawai Squirrel
- Mentawai Three-striped Squirrel
- Mentawi Flying Squirrel
- Menzbier’s Marmot
- Merida Brocket
- Mexican Agouti
- Mexican Big-eared Bat
- Mexican Bobcat
- Mexican Long-nosed Bat
- Mexican Long-tongued Bat
- Mexican Prairie Dog
- Mexican Water Mouse
- Miahuatlan Cotton Rat
- Michoacan Pocket Gopher
- Miller’s Nicobar Rat
- Milne-Edward’s Sifaka
- Milne-edwards’ Macaque
- Milne-Edwards’s Sportive Lemur
- Mindanao Montane Forest Apomys
- Mindanao Shrew Mouse
- Mindanao Spiny Rat
- Mindoro Striped Rat
- Minor Red Bat
- Mitred Leaf Monkey
- Mittendorf’s Striped Grass Mouse
- Mittermeier’s Mouse Lemur
- Mohave Ground Squirrel
- Moluccan Flying Fox
- Mongolian Beaver
- Mongolian Marmot
- Mongoose Lemur
- Monito Del Monte
- Monjon
- Monster Rice Rat
- Montane Monkey-faced Bat
- Montane Mouse Shrew
- Montane Shaggy Rat
- Moojen’s Atlantic Spiny-rat
- Moon Forest Shrew
- Moon Striped Mouse
- Moon-toothed Degu
- Moor Macaque
- Morro Bay Kangaroo Rat
- Moss-forest Blossom Bat
- Mottled Tuco-tuco
- Mount Graham Red Squirrel
- Mount Kahuzi African Climbing Mouse
- Mountain Anoa
- Mountain Dwarf Galago
- Mountain Nyala
- Mountain Paca
- Mountain Pademelon
- Mountain Pygmy Possum
- Mountain Shrew Tenrec
- Mountain Tapir
- Mountain Zebra
- Mt. Isarog Striped Rat
- Mt. Kenya Mole Shrew
- Mt. Lefo Brush-furred Rat
- Mt. Oku Kylomyscus
- Mt. Oku Rat
- Mueller’s Bornean Gibbon
- Musso’s Fish-eating Rat
- Namdapha Flying Squirrel
- Narrow-nosed Harvest Mouse
- Narwhal
- Nasolo’s Shrew Tenrec
- Natal Free-tailed Bat
- Natuna Island Surili
- Nayarit Deer Mouse
- Neblina Uakari
- Negros Naked-backed Fruit Bat
- Negros Shrew
- Nelson’s Antelope Squirrel
- Nelson’s Giant Deer Mouse
- Nelson’s Small Eared Shrew
- Nelson’s Spiny Pocket Mouse
- Nelson’s Woodrat
- New Caledonia Blossom Bat
- New Caledonia Flying Fox
- New Caledonia Long-eared Bat
- New Caledonia Wattled Bat
- New England Cottontail
- New Georgia Monkey-faced Bat
- New Guinea Pademelon
- New Guinea Quoll
- New Holland Mouse
- New Zealand Greater Short-tailed Bat
- New Zealand Lesser Short-tailed Bat
- New Zealand Long-tailed Bat
- New Zealand Sea Lion
- Nicobar Flying Fox
- Nicobar Treeshrew
- Nicobar White-tailed Shrew
- Nile Lechwe
- Nilgiri Black Langur
- Nilgiri Long-tailed Climbing Mouse
- Nilgiri Marten
- Nilgiri Tahr
- Nimba Otter Shrew
- Nimba Shrew
- Niobe’s Shrew
- North Andean Huemul
- North Atlantic Right Whale
- North Moluccan Flying Fox
- North Pacific Right Whale
- Northeastern Xanthurus Rat
- Northern Brush-tailed Phascogale
- Northern Chinese Flying Squirrel
- Northern Flying Squirrel
- Northern Free-tailed Bat
- Northern Fur Seal
- Northern Glider
- Northern Hairy-nosed Wombat
- Northern Hopping-mouse
- Northern Luzon Rhynchomys
- Northern Muriqui
- Northern Pig-tailed Macaque
- Northern Pudu
- Northern Quoll
- Northern Rufous Mouse Lemur
- Northern Shrew Tenrec
- Northern Sportive Lemur
- Northern Swift Fox
- Northern Water Rat
- Nubian Ibex
- Numbat
- Oaxacan Giant Deer Mouse
- Ocelot
- Ohiya Rat
- Okapi
- Okinawa Spiny Rat
- Oku Mouse Shrew
- Olalla Brothers’ Titi Monkey
- Oldfield White-bellied Rat
- Olive Colobus
- Oliver’s Warty Pig
- Omilteme Cottontail
- Orbiculus Leaf-nosed Bat
- Oriental Shrew
- Orinoco Agouti
- Orinoco Sword-nosed Bat
- Ornate Flying Fox
- Ornate Titi Monkey
- Otter Civet
- Owl-faced Monkey
- Owston’s Banded Palm Civet
- Pacarana
- Pacific Degu
- Pacific Pocket Mouse
- Pacific Sheath-tailed Bat
- Pacific Spiny Rat
- Pagai Island Macaque
- Pagai Spiny Rat
- Pagi Island Langur
- Painted Tree Rat
- Palau Flying Fox
- Palawan Bearded Pig
- Palawan Binturong
- Palawan Flying Fox
- Palawan Flying Squirrel
- Pale Giant Squirrel
- Pallas’s Cat
- Pallid Large-footed Myotis
- Palmer’s Chipmunk
- Pampas Cat
- Pampas Deer
- Panaeati Bare-backed Fruit Bat
- Panay Bushy-tailed Cloud Rat
- Paraguana Mustached Bat
- Paraguana Spiny Pocket Mouse
- Parma Wallaby
- Patagonian Cavy
- Paula’s Long-nosed Rat
- Pearson’s Long-clawed Mouse
- Pearson’s Long-clawed Shrew
- Pearson’s Tuco-tuco
- Peleng Island Tarsier
- Peleng Leaf-nosed Bat
- Pemba Flying Fox
- Peninsular Horseshoe Bat
- Peninsular Myotis
- Pennant’s Red Colobus
- Pere David’s Deer
- Perote Deer Mouse
- Perote Ground Squirrel
- Perrier’s Sifaka
- Persian Fallow Deer
- Peruvian Climbing Mouse
- Peterson’s Free-tailed Bat
- Petter’s Tuft-tailed Rat
- Pfeiffer’s Red Bat
- Phayre’s Leaf-monkey
- Philippine Brown Deer
- Philippine Dawn Bat
- Philippine Pangolin
- Philippine Tarsier
- Philippine Tube-nosed Fruit Bat
- Philippine Warty Pig
- Phillip’s Small-eared Shrew
- Phillipine Porcupine
- Phou Khao Khouay Leaf-nosed Bat
- Pichi
- Pied Tamarin
- Pig-footed Bandicoot
- Pig-tailed Langur
- Pilar Tuco-tuco
- Pileated Gibbon
- Pink Fairy Armadillo
- Pittier’s Crab-eating Rat
- Plains Mouse
- Plains Viscacha Rat
- Platyrrhinus ismaeli
- Platyrrhinus matapalensis
- Plush-coated Ringtail
- Podolian Mole Rat
- Poeppig’s Woolly Monkey
- Pohle’s Fruit Bat
- Pohnpei Flying Fox
- Point Arena Mountain Beaver
- Polar Bear
- Poncelet’s Giant Rat
- Pond Bat
- Porteous’s Tuco-tuco
- Prehensile-tailed Hutia
- Preuss’ Red Colobus Monkey
- Preuss’s Monkey
- Pribilof Island Shrew
- Proboscis Monkey
- Pronghorn
- Proserpine Rock Wallaby
- Przewalski’s Gazelle
- Przewalski’s Horse
- Pudu
- Puebla Deer Mouse
- Puku
- Puna Mouse
- Pundt’s Tuco-tuco
- Purple-faced Langur
- Pygmy Chimpanzee
- Pygmy Hippopotamus
- Pygmy Hog
- Pygmy Mouse Lemur
- Pygmy Rabbit
- Pygmy Raccoon
- Pygmy Slow Loris
- Pygmy Spotted Skunk
- Pygmy Three-toed Sloth
- Pygmy White-tailed Rat
- Pyrenean Desman
- Pyrenean Ibex
- Quechuan Hocicudo
- Queensland Rat-kangaroo
- Quokka
- Rabbit Bandicoot
- Rahm’s Brush-furred Rat
- Rajah Spiny Rat
- Randrianasoli’s Sportive Lemur
- Ranjini’s Field Rat
- Rattus satarae
- Ravelobe Mouse Lemur
- Reclusive Ringtail
- Red Deer
- Red Fruit Bat
- Red Goral
- Red Myotis
- Red Panda
- Red Ruffed Lemur
- Red Serow
- Red Slender Loris
- Red Tree Vole
- Red Wolf
- Red-and-gray Mouse Lemur
- Red-backed Squirrel Monkey
- Red-bellied Lemur
- Red-eared Nose-spotted Monkey
- Red-fronted Brown Lemur
- Red-fronted Gazelle
- Red-handed Howler Monkey
- Red-handed Howling Monkey
- Red-nosed Tree Rat
- Red-tailed Phascogale
- Red-tailed Sportive Lemur
- Reig’s Aepeomys
- Reig’s Opossum
- Reig’s Tuco-tuco
- Rennell Flying Fox
- Richmond’s Squirrel
- Rickett’s Big-footed Bat
- Ridley’s Myotis
- Ring-tailed Lemur
- Rio De Janeiro Arboreal Rat
- Riparian Brush Rabbit
- Riparian Woodrat
- Riverine Rabbit
- Roach’s Mouse-tailed Dormouse
- Roatan Island Agouti
- Roberto’s Spiny Rat
- Robust Cottontail
- Robust Golden Mole
- Rodrigues Fruit Bat
- Roig’s Tuco-tuco
- Romanian Hamster
- Rondo Bushbaby
- Rondonia Marmoset
- Roraima Mouse
- Rough-haired Golden Mole
- Royle’s Mountain Vole
- Rumpi Mouse Shrew
- Russian Desman
- Rusty-gray Lesser Bamboo Lemur
- Rusty-spotted Cat
- Ruwenzori Horseshoe Bat
- Ruwenzori Shrew
- Rwenzori Otter Shrew
- Ryukyu Flying Fox
- Ryukyu Rabbit
- Ryukyu Shrew
- Ryukyu Spiny Rat
- Ryukyu Tube-nosed Bat
- Ryukyus Islands Tree Rat
- Sado Mole
- Sahamalaza Sportive Lemur
- Saiga Antelope
- Saimaa Ringed Seal
- Sakhalin Vole
- Salim Ali’s Fruit Bat
- Salt Marsh Harvest Mouse
- Sambar Deer
- Sambirano Mouse Lemur
- Samoan Flying Fox
- San Bernardino Merriam’s Kangaroo Rat
- San Cristobal Shrew
- San Esteban Deer Mouse
- San Joaquin Kit Fox
- San Jose Brush Rabbit
- San Jose Island Kangaroo Rat
- San Lorenzo Deer Mouse
- San Quintin Kangaroo Rat
- Sanborn’s Flying Fox
- Sanborn’s Grass Mouse
- Sand Cat
- Sandstone Pseudantechinus
- Sandy Mole Rat
- Sanford’s Brown Lemur
- Sangihe Island Tarsier
- Sanje Crested Mangabey
- Santa Catarina’s Guinea Pig
- Santa Cruz Mouse
- Santiago Galapagos Mouse
- Sao Tome Collared Fruit Bat
- Sao Tome Free-tailed Bat
- Sao Tome Shrew
- Saola
- Sardinian Long-eared Bat
- Scaly-tailed Possum
- Schelkovnikov’s Pine Vole
- Schmidly’s Deer Mouse
- Schwartz’s Myotis
- Scimitar-horned Oryx
- Sclater’s Monkey
- Sclater’s Shrew
- Sclater’s Tiny Mouse Shrew
- Scott’s Mouse-eared Bat
- Sea Otter
- Sechura Desert Fox
- Sei Whale
- Seladang
- Seram Bandicoot
- Seram Flying Fox
- Seram Island Mountain Rat
- Seri’s Tree Kangaroo
- Seychelles Sheath-tailed Bat
- Shapo
- Shark Bay Mouse
- Sharman’s Rock Wallaby
- Shield-nosed Leaf-nosed Bat
- Shipton’s Mountain Cavy
- Short-eared Dog
- Short-tailed Brush-furred Rat
- Short-tailed Chinchilla
- Short-tailed Mosaic-tailed Rat
- Short-tailed Roundleaf Bat
- Shortridge’s Langur
- Shortridge’s Native Mouse
- Shrew-faced Squirrel
- Siamang
- Siberian Musk Deer
- Siberut Flying Squirrel
- Siberut Macaque
- Sibree’s Dwarf Lemur
- Sichuan Snub-nosed Monkey
- Sierra Madre Ground Squirrel
- Sika Deer
- Silent Grass Mouse
- Silky Sifaka
- Silver Pika
- Silver Rice Rat
- Silvery Gibbon
- Silvery Lutung
- Silvery-brown Bare-face Tamarin
- Simalur Archipelago Rat
- Simmon’s Mouse Lemur
- Singapore Roundleaf Horseshoe Bat
- Sipora Flying Squirrel
- Sir David’s Long-beaked Echidna
- Slender Oldfield Mouse
- Slender-horned Gazelle
- Slender-tailed Deer Mouse
- Sloth Bear
- Small Dorcopsis
- Small Iron-gray Dwarf Lemur
- Small Red Brocket
- Small Sulawesi Cuscus
- Small Woolly Bat
- Small-toothed Fruit Bat
- Small-toothed Harvest Mouse
- Small-toothed Sportive Lemur
- Smith’s Shrew
- Smokey Bat
- Smoky Flying Squirrel
- Smoky Mouse
- Smoky White-toothed Shrew
- Smooth-coated Otter
- Snow Leopard
- Social Sprite
- Social Tuco-tuco
- Soemmerring’s Gazelle
- Sokoke Bushy-tailed Mongoose
- Solitary Fruit-eating Bat
- Solomons Flying Fox
- Sonoran Woodrat
- Sooty Mangabey
- Sorensen’s Leaf-nosed Bat
- South American Tapir
- South Andean Huemul
- Southeast Asian Long-fingered Bat
- Southern Flat-tailed Dwarf Lemur
- Southern Hutia
- Southern Long-nosed Armadillo
- Southern Luzon Phloeomys
- Southern Pig-tailed Macaque
- Southern Planigale
- Southern Pudu
- Southern Right Whale
- Southern River Otter
- Southern Three-banded Armadillo
- Southern Tuco-tuco
- Southern Water Vole
- Sowbug Rice Rat
- Spanish Lynx
- Speckled Ground Squirrel
- Spectral Bat
- Spectral Tarsier
- Speke’s Gazelle
- Sperm Whale
- Spiny Seram Island Rat
- Spix’s Red-handed Howler Monkey
- Spotted Linsang
- Spotted-tailed Quoll
- Sri Lankan Highland Tree Mouse
- Sri Lankan Long-tailed Shrew
- Sri Lankan Mountain Rat
- Steller Sea-lion
- Stephen’s Kangaroo Rat
- Stephen’s Kangaroo Rat
- Straw-coloured Fruit Bat
- Stripe-faced Fruit Bat
- Striped Hyena
- Striped Rice Rat
- Striped Roundleaf Bat
- Strong-tailed Oldfield Mouse
- Stump-tailed Macaque
- Sula Archipelago Rat
- Sulawesi Babirusa
- Sulawesi Bear Cuscus
- Sulawesi Giant Squirrel
- Sulawesi Harpy Fruit Bat
- Sulawesi Soft-furred Rat
- Sulawesi Spiny Rat
- Sulawesi Warty Pig
- Sumatran Orangutan
- Sumatran Rhinoceros
- Sumatran Serow
- Sumatran Striped Rabbit
- Sun-tailed Monkey
- Sunda Clouded Leopard
- Sunda Fruit Bat
- Sunda Pangolin
- Superagui Lion Tamarin
- Svynnerton’s Bush Squirrel
- Swamp Deer
- Taita Shrew
- Taiwan Long-eared Bat
- Taiwan Vole
- Taiwanese Tube-nosed Bat
- Takin
- Talamancan Small Eared Shrew
- Talamancan Yellow-shouldered Bat
- Talaud Bear Cuscus
- Talaud Fruit Bat
- Tamaraw
- Tamaulipan Woodrat
- Tana River Mangabey
- Tana River Red Colobus Monkey
- Tanzanian Shrew
- Tanzanian Vlei Rat
- Tanzanian Woolly Bat
- Tarabundi Vole
- Tarai Gray Langur
- Tarella Shrew
- Tasmanian Devil
- Tasmanian Forester Kangaroo
- Tasmanian Tiger
- Tate’s Triok
- Tehuantepec Jackrabbit
- Telefomin Cuscus
- Telford’s Shrew
- Temminck’s Flying Fox
- Temminck’s Flying Squirrel
- Temnick’s Ground Pangolin
- Temotu Flying Fox
- Tenkile
- Texas Kangaroo Rat
- Thailand Leaf-nosed Bat
- Thin-spined Porcupine
- Thomas’s Big-eared Bat
- Thomas’s Big-eared Brown Bat
- Thomas’s Giant Deer Mouse
- Thomas’s Langur
- Thomas’s Oldfield Mouse
- Thomas’s Sac-winged Bat
- Thomas’s Water Mouse
- Thomas’s Yellow-shouldered Bat
- Thomson’s Gazelle
- Tibetan Antelope
- Tibetan Gazelle
- Tiger
- Tiny Yellow Bat
- Togian Islands Babirusa
- Tonkean Black Macaque
- Tonkin Snub-nosed Monkey
- Toque Macaque
- Torres’s Crimson-nosed Rat
- Townsend’s Big-eared Bat
- Townsend’s Ground Squirrel
- Transitional Colilargo
- Travancore Flying Squirrel
- Tree Shrew Tenrec
- Tres Marias Cottontail
- Tres Marias Deer Mouse
- Tropical Pocket Gopher
- Tschudi’s Yellow-shouldered Bat
- Tuco-tuco Of The Dunes
- Tufted Deer
- Tufted Gray Langur
- Tufted Ground Squirrel
- Tumbala Climbing Rat
- Ucucha Thomasomys
- Udzungwa Red Colobus
- Unexpected Cotton Rat
- Unicolored Oldfield Mouse
- Unicolored Tree Rat
- Upland Horseshoe Bat
- Urial
- Usambara Shrew
- Utah Prairie Dog
- Van der Decken’s Sifaka
- Van Deusen’s Rat
- Van Gelder’s Bat
- Van Zyl’s Golden Mole
- Vanauatu Flying Fox
- Vancouver Island Marmot
- Vanikoro Flying Fox
- Vaquita
- Variegated Spider Monkey
- Venezuelan Fish-eating Rat
- Verreaux’s Sifaka
- Vicuna
- Villa’s Grey Shrew
- Vincent’s Bush Squirrel
- Vinogradov’s Jerboa
- Visayan Deer
- Visayan Warty Pig
- Vogelkop Tree Kangaroo
- Volcano Rabbit
- Volcano Shrew
- Vordermann’s Flying Squirrel
- Waigeo Spotted Cuscus
- Walia Ibex
- Ward’s Red-backed Vole
- Washington Ground Squirrel
- Watts’s Spiny Rat
- Weasel Lemur
- West African Manatee
- West African Red Colobus
- West Caucasian Tur
- West Indian Manatee
- Western Barbastelle
- Western Bearded Pig
- Western False Pipistrelle
- Western Gerbil
- Western Giant Eland
- Western Hare Wallaby
- Western Lesser Bamboo Lemur
- Western Long-beaked Echidna
- Western Lowland Gorilla
- Western Mouse
- Western Nectar Bat
- Western Quoll
- Western Ringtail Possum
- Western Vlei Rat
- Western Woolly Lemur
- Whiskered Flying Squirrel
- White Rhinoceros
- White Saki
- White-cheeked Crested Gibbon
- White-cheeked Spider Monkey
- White-collared Brown Lemur
- White-collared Fruit Bat
- White-collared Mangabey
- White-eared Marmoset
- White-eared Pocket Mouse
- White-footed Dunnart
- White-footed Sportive Lemur
- White-fronted Brown Lemur
- White-fronted Langur
- White-headed Langur
- White-lipped Deer
- White-lipped Peccary
- White-nosed Saki
- White-sided Jackrabbit
- White-tailed Deer
- White-tailed Mouse
- White-thighed Colobus
- White-thighed Surili
- White-throated Guenon
- White-tipped Tuft-tailed Rat
- Whitehead’s Spiny Rat
- Wied’s Black-tufted-ear Marmoset
- Wild Asian Buffalo
- Wild Goat
- Wild Yak
- Wimmer’s Shrew
- Wolverine
- Wondiwoi Tree-kangaroo
- Wood Sprite Gracile Mouse Opossum
- Woodland Caribou
- Woodland Oldfield Mouse
- Woodlark Cuscus
- Woolly Spider Monkey
- Yalden’s Desmomys
- Yanbaru Whiskered Bat
- Yap Flying Fox
- Yapen Rat
- Yarkand Hare
- Yellow Isthmus Rat
- Yellow-cheeked Gibbon
- Yellow-footed Rock Wallaby
- Yellow-tailed Woolly Monkey
- Yonenaga’s Atlantic Spiny-rat
- Yucatan Brown Brocket Deer
- Yunnan Snub-nosed Monkey
- Zambian Mole Rat
- Zanzibar Red Colobus Monkey
- Zanzibar Suni
- Zebra Duiker
- Zelebor’s Nicobar Rat
- Zempoaltepec Vole
- Ziama Horseshoe Bat
- Zuniga’s Dark Rice Rat
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