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 ...

Did you know sea otters can eat a quarter of their body weight in food every day? That’s hundreds of sea urchins, clams, and crabs — all cracked open with a rock balanced on their bellies. It’s one of ...

West Coast sea otters are turning to tool use to exploit richer prey and get a leg up on the competition, a new study has found. In Monterey Bay, an incredible rebound in sea otter populations has ...

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 ...

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 ...

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. You've ...