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 ...

The return of sea otters to historic habitats can restore ecosystems and bring economic benefits, but hungry otters can also threaten the food... What Happens When Sea Otters Eat 15 Pounds of ...

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 study. Sea ...

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 ...

Sure, sea otters learning to slam dunk is an impressive sight, but sometimes there’s nothing cuter than animals doing what they do best. In this case, smashing open some clams as a midday treat. The ...

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 ...

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 ...