WAerodramus
WBat
WBlarina
WBottlenose dolphin
WBrown rat
WCephalorhynchus
WCommon shrew
WDolphin
WKogiidae
WLa Plata dolphin
WLagenorhynchus
WMicrobat
WNorthern short-tailed shrew
WOilbird
WPilot whale
WPorpoise
WRiver dolphin
WSorex
WSperm whale
WSwiftlet
WTenrec
WToothed whale
WVagrant shrew
WKiller whale