On a remote Alaskan island, gray wolves are rewriting the rulebook by hunting sea otters — a behavior few scientists ever expected to see. Researchers are now uncovering how these coastal wolves ...

Credit: flickr Sea otters must consume roughly 25% of their body weight daily to sustain their high metabolism and body heat in cold waters. Their diet includes sea urchins, crabs, and other marine ...

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

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 ...

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.

On Prince of Wales Island, Alaska, gray wolves are showing an unusual behavior: they are hunting sea otters. This unexpected shift in diet could have ...

Utterly charming, otters are web-footed animals that inhabit rivers and seas around North America, Asia, Europe, Africa, and the Pacific. Otters are known to be intelligent and very social aquatic ...