In the wake of the sea star die-off, mussels became a major prey surplus for sea otters, revealing a surprising link between the adjacent rocky intertidal and kelp forest ecosystems. The new ...

The sea otter’s grooming regimen will be familiar to anyone with a cat. Like cats, sea otters spend considerable time licking and biting their fur to keep it clean and conditioned.

A pair of rescued southern sea otters have found a new home at the New York Aquarium. Pumpkin and Clover were rescued in California as young pups — one was less than a day old when she was found. As ...

Two male sea otters appear to be calling Cannon Beach home, providing a rare sight for Oregonians visiting Ecola Point. Even so, biologists aren’t expecting a bigger population boom in the near ...

An unusually aggressive sea otter that made quite the splash last summer is back hanging out off the coast of Santa Cruz. The backstory: The fearless 6-year-old female, known as southern sea otter ...

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 ...

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 ...

LONG BEACH, California, April 12 (Reuters) - Every year, around 10 to 15 sea otter pups are found stranded off the California coast, often due to storms that separate mother and offspring.

Sea otters are not just cute and lovable—they also help a crucial habitat flourish. These critters have a well-known influence on kelp forest ecosystems. In Central California, the mammals ...

Sea otters rely solely on their mothers for food and grooming at birth, so rescued sea otter pups require around the clock care for the first six months of their lives. This care makes them too ...

Sea otters are arguably the Michael Phelps of the marine mammal world. They are excellent swimmers, complete with muscular bodies and webbed feet that allow for them to cut through the water with ...