This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. When sea otters hammer mussel shells against ...

If you’ve ever seen otters romping at the zoo, sometimes it looks like they’re juggling little rocks. It turns out that this playful-looking behavior may actually be something captive otters do in ...

The Asian small-clawed otters at Living Shores Aquarium in New Hampshire enjoyed a kibble and sardine pie for dessert Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since ...

North American river otters eat, play and defecate in the same place. And their unhealthy habits make them ideal for detecting future health threats in the environment. Kristen Goodhue A North ...

A North American river otter (Lontra canadensis) wanders through a forest at the Smithsonian Environmental Research Center. Credit: Calli Wise, Smithsonian Environmental Research Center YouTube video: ...

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 ...