Male sea otters that are not sexually or socially mature 'don't get access to females," which, in turn, frustrates the otter; ...

For sea otters, rocks are an important part of daily life — used as tools to crack open hard-shelled snacks and as playthings ...

A coastal tribe wants to return otters to their native waters off the Oregon coast, though a recent grant to expedite that ...

Sea otters are among the world’s most playful and adorable animals. They are beloved for their charming antics and cuddly appearance. Otters are social animals, and in the wild, live together in ...

Meet Ollie, the “Salish Sea Serial Killer,” a cute, furry sea otter with a dark side and a rap sheet longer than the ‘Colwood ...

MONTEREY, Calif. (KGO) -- When we first met the hungry otters of Elkhorn Slough last year, they were chowing down on a species of burrowing crabs blamed for destabilizing the shoreline.

NPR's Juana Summers speaks to researcher Rikke Jeppesen about her work on how sea otters, which were hunted to almost near extinction, have been able to thrive by eating up to 120,000 crabs a year.

Photos and videos on social media showed an otter climbing onto a surfboard with a surfer already on it near Victoria, B.C.