A professional diver has captured what several researchers believe to be the first photographic evidence of a fish using tools to eat. A series of six photos appear to show a Blackspot tuskfish in the ...

A fish using tools to crack open a stubborn clam shell has been caught on video for the first time. The clip, shot in 2009 off the Pacific island of Palau, shows an orange-dotted tuskfish (Choerodon ...

A wolf was filmed pulling bait out of a submerged crab trap — with some experts howling with glee that it could be the first documented evidence of the beasts using tools. The female wolf was recently ...

Scientists have documented what may be the first instance of a wild wolf using a tool, according to footage published in the journal Ecology and Evolution.