Ecologists have long observed that when food becomes scarce, animal populations exploit a wider range of food sources. So scientists studying southern sea otters at different sites in California’s ...

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 ...

In Monterey Bay, California, southern sea otters face food scarcity as their preferred prey, urchins and abalone, have declined due to climate change, overfishing and other environmental factors. To ...

Did you know that sea otters have favorite rocks they keep around to help them open up clam shells and other shelled mollusks? They have loose pockets of fur under each of their arms where they store ...

Some coastal wolves in Alaska, U.S., have toxic levels of mercury in their bodies after shifting from a terrestrial diet of deer and moose to a marine diet heavy with sea otters, new research finds.

Sea otter diagnosed with asthma after being exposed to wildfire smoke. — -- A Seattle sea otter is learning to use a life-saving new toy: An inhaler. Dubbed "Mishka," the sea otter was diagnosed ...

STORY: Every year, around 10 to 15 sea otter pups are found stranded off California's coast, often from storms that separate mother and offspring. Now, two aquariums in the state are teaming up in the ...

The Seattle Aquarium has a new resident making a splash. Ruby, a southern sea otter from Monterey Bay Aquarium, arrived in ...

The Marine Mammal Center rescued an ailing sea otter from Morro Bay on Tuesday, but it was too sick to survive. The nonprofit ...

The pup's birth was recorded and broadcast on live video via Periscope Saturday. — -- A wild sea otter mother and her "otterly" adorable newborn pup have become celebrities at the Monterey Bay ...

CHICAGO (CBS)-- An orphaned, wounded sea otter rescued last November off the Alaskan coast is making his Chicago debut at the Shedd Aquarium. The cute creature's rehabilitation journey included weeks ...

Volunteers played a recording of the pup’s cries over a Bluetooth speaker for nearly two hours to help find the mother.