A sea otter in Monterey Bay with a rock anvil on its belly and a scallop in its forepaws. (Jessica Fujii) In parts of the ocean where sea otters face stark competition for their favorite kinds of food ...

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 ...

AUSTIN (KXAN) — 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 ...

Sea otters - especially females - use tools when feeding to help look after their teeth, reveals new research. The cute marine mammals employ shells, rocks and even litter to open the mollusks they ...

If you’ve ever walked the beach and pocketed a neat-looking rock, know that you share something in common with otters. The only difference is that an otter might carry its favorite rock forever, ...

You've probably seen photos or videos, maybe you've been lucky enough to actually see in person, sea otters floating on their backs in what looks to be sublime repose. Sometimes they're floating like ...

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 ...

In parts of the ocean where sea otters face stark competition for their favorite kinds of food, some otters are getting by with the help of tools — like rocks and even glass bottles — that let them ...