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

See rare sight ‘Shadow caught on camera' ends creature's 500-year-long absence from Portugal ...

A recent study found sea otters are eating thousands of green crabs at a California reserve, reducing the invasive species’ population.

Out-of-control invasive species has met its match: Cute and hungry otters West coast states are spending millions to protect their inland waterways from invasive crabs. In some places, otters are ...

As invasive green crabs wreak havoc on California's estuaries, a new study has found that a restored sea otter population might be the solution.

Northern sea otters didn’t get federal safeguards along with their California cousins. So in 2000, the Center petitioned the Service to protect otters in southwest Alaska as a “distinct population ...

The Story Sea otter sighting on Oregon Coast inspires redoubled efforts for species' reintroduction Sea otters were hunted to local extinction more than 100 years ago.

The apex predators have offered up fish, birds, turtles and whales to humans around the world, according to the study.

Out-of-control invasive species meets its match: Cute and hungry otters West coast states are spending millions to protect their inland waterways from invasive crabs. In some places, otters are ...

There’s also a southern sea otter population in Central California, counting several thousand animals; it’s listed as a threatened species under the Endangered Species Act in California.

Many otter species, including, but not limited to giant river otters, North American river otters, African clawless otters (Aonyx capensis), smooth-coated otters (Lutrogale perspicillata), Asian ...

SAVING THE SEA OTTER Unlike most marine mammals, sea otters are primarily insulated by fur, not blubber. In fact they have the densest fur in the animal kingdom. Sadly that thick, resplendent coat has ...