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... When sea otters lose their favorite foods, they can ...

CNN — When sea otters hammer mussel shells against rocks to help open them, they're leaving behind their own archaeological record that can't be compared to any other creature, according to a new ...

Sea otters are on the edge of extinction. There are currently around 3,000 of them living off the coast of California's Monterey Bay, according to Brett Long, with the Aquarium of the Pacific in Long ...

Did you know that sea otters have favorite rocks they keep around to help them open up clam shells and other shelled mollusks? They have loose pockets of fur under each of their arms where they store ...