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 ...

Sea otters are one of the few animals that use rocks and other objects to access their food, and a new study has found that individual sea otters that use tools—most of whom are female—can eat larger ...

Behavioral ecologist Michael Weiss was browsing through new drone footage of the orca pods he studies in the Salish Sea when he spotted one of the killer whales carrying something green in its mouth ...