Their fur is so soft it almost led to their extinction, but otters’ recovery has been a boon to Pacific kelp forests, a key habitat for other sealife Sea otters use their agile, grippy forepaws to ...

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 ...

The United States is home to two species of sea otters that float on the ocean in groups called rafts. Image: Linda Dron. Get the Popular Science daily newsletter💡 ...

Otters are well known for their playful, energetic, and inquisitive behavior. However, did you know that otter play has a purpose other than just having fun? Or that otters are some of the most ...