Scientists have debunked the belief that using tools is unique to mammals and birds, after documenting tropical fish that smash shellfish against rocks to open and eat the meat, in a fascinating new ...

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 ...

A new study has found that individual sea otters that use tools — most of whom are female — are able to eat larger prey and reduce tooth damage when their preferred prey becomes depleted. Image by ...