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 ...

A southern sea otter with a purple sea urchin in Monterey Bay, California. (Credit: Morgan Rector) (CN) — Sea otters are voracious eaters, munching away on shellfish, urchins and other invertebrates ...

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 ...

Southern sea otters living along California’s coast are struggling in warmer seas, with new threats and changing food sources. They, like the other two sea otter subspecies, are classified as ...

When sea otters were reintroduced along the coastlines of islands in Southern California and British Columbia, researchers saw kelp forests return to areas that were destroyed by sea urchins. But how ...

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 ...