For the North American river otter, fish, crayfish, frogs and turtles are on the menu, Smithsonian's National Zoo and Conservation Biology Institute reports.Meanwhile, sea otters may snack on ...

Just by eating sea urchins and destructive shellfish, sea otters are keeping kelp forests healthy and coastal erosion at bay.

It’s Sea Otter Awareness Week, which means it’s a great time to learn about everyone’s favorite aquatic fluffball! And the first thing you “otter” know about sea otters is that they are ...

SANTA CRUZ, Calif. (KRON) — A wild sea otter that became famous over the summer for hopping on surfers’ longboards is now a proud new mother. Local photographer Mark Woodward captured ...

Sea otters ate multiple crab species, allowing snails, which crabs eat, to thrive. The snails then ate more algae that had blocked sunlight from reaching the sea grass.

The average adult sea otter has to actively forage and eat 20% to 30% of its body mass in food each day just to meet its energy requirements.

Until then he has a pool to himself, and will get plenty to eat, because sea otters can eat a ton. “Sea otters we feed them every two to three hours. They eat on average about 25% of their body ...

The zoo will celebrate Sea Otter Awareness Week Sept. 22-28 with a full slate of otter-themed games and conversations spotlighting some of the ocean’s most charismatic creatures. Volunteers and ...

The scrunched face of otter 820 pressed against the grille of her carrying box, and she was squealing, the way sea otters do when they’re panicked or indignant or calling for their kin. (Think ...

California sea otter populations have rebounded in recent decades. New research finds that by feasting on shore crabs, these otters are helping to protect their coastal marsh habitat against erosion.

Southeast Alaska’s wolves tend to favor deer and moose at mealtime, but in a pinch they won’t say no to black bear — or even sea otter. A study — now in its eighth year — has found a ...

A 5-year-old sea otter born in captivity and released into the wild has been aggressively approaching surfers, hopping onto and biting their boards, and wildlife authorities are looking to return t… ...