While the habit is relatively rare, it provides a unique window into the social lives of these much-loved marine mammals.

Researchers believe otters could be a potential solution for controlling an invasive green crab species that's invaded ecosystems up and down the West Coast.

Researchers estimate southern sea otters eat up to 120,000 European green crabs per year at the Elkhorn Slough National Estuarine Research Reserve Sarah Kuta Daily Correspondent Southern sea ...

Most folks are also probably familiar with the cute and fuzzy sea otters of the West Coast of the U.S. (think “cuddle party” from Finding Dory). But there are otters in the Central and Eastern ...

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

FUKUOKA--Only three sea otters remain at aquariums in Japan, and they are now treated like rock stars because of their advancing years. Japan was once home to dozens of the cute mammals.

At Elkhorn Slough National Estuarine Research Reserve, a newly-reinvigorated population of native southern sea otters has eaten so many invasive European green crabs that researchers say the ...

But to her surprise, Jeppesen learned there was a much simpler way to remove the crabs in the slough she studied: furry and hungry sea otters. Sea otters are rare in most ecosystems after they ...