Wallaby delle foreste (
Dorcopsis dorcopsis
)
Wallaby di Bennett (
Wallabia rufogrisea
)
Wapiti (
Cervus canadensis
)
Whippet (
Canis familiaris
)
Xenicus (
Xenicus longipes
)
Xenopo liscio (
Xenopus laevis
)
Xero del Nord Africa (
Atlantoxerus getulus
)
