WTool use by animals
WAmerican alligator
WAmerican robin
WAmmophila urnaria
WAmphioctopus marginatus
WChestnut-backed chickadee
WAmerican crow
WDorymyrmex bicolor
WEurasian magpie
WWoodpecker finch
WGreen heron
WBlue jay
WGreen jay
WInca jay
WMugger crocodile
WNew Caledonian crow
WBrown-headed nuthatch
WOctopus
WBurrowing owl
WEgyptian vulture