west - yak
- West African brush-tailed porcupine
- West African manatee
- West African slit-faced bat
- West African sun squirrel
- West African water mongoose
- West Caucasian tur
- West Indian fruit-eating bats
- West Indian manatee
- West Indies giant rice rats
- West-Blindmaus
- West-Blindmull
- westafrikanischer Bongo
- westafrikanischer Quastenstachler
- westamerikanische Maulwürfe
- western American mole
- western American moles
- Western Australian fur seal
- western Australian native cat
- western barbastelle
- western barred bandicoot
- western big-eared bat
- western black-and-white colobus
- western brush wallaby
- western chipmunk
- western dasyure
- western European hedgehog
- western grey kangaroo
- western hare wallaby
- western harvest mouse
- western jumping mouse
- western mastiff bat
- western moles
- western naked-backed bat
- western native cat
- western needle-clawed bushbaby
- western nyctophilus
- western pipistrelle
- western pocket gophers
- western pygmy possum
- western rock wallaby
