Sea otters are one of nature’s most fascinating creatures, beloved for their playful personalities and critical role in marine ecosystems. From their dense fur to their impressive tool use, these ...

Sea otters are one of the few animals that use rocks and other objects to access their food, and a new study has found that individual sea otters that use tools—most of whom are female—can eat larger ...

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 ...