Sea otters are known for using tools, but not all of them do. A new study finds those that use tools have better survival odds in a world where their traditional food sources are changing.

These charismatic marine mammals have … The post The Surprising Way Sea Otters Use Rocks as Tools appeared first on Animals Around The Globe.

Some otters rely on tools to bust open hard-shelled prey items like snails, and a new study suggests this tool use is helping them to survive as their favorite, easier-to-eat foods disappear.