A new study suggests that ancestors of sea otters were already using tools millions of years ago. This means the species learned to use tool earlier than dolphins.
A new report from the US Geological Survey revealed that the populations of California sea otters have reached the highest level since 1982.
California Department of Fish and Wildlife investigates the death of three sea otters washed ashore on the Santa Cruz Coast, offering a $10,000 reward for those with information regarding their shooter.
Researchers recently discovered harmful algae toxins in Alaskan whales, walruses, sea lions, seals, porpoises and sea otters. Their findings represent a staggering northward expansion of such toxins, although (for what it is worth) they have not yet reached concentrations harmful to human health.
A sea otter living at the Seattle Aquarium was recently diagnosed with asthma and is now learning how to use an inhaler.
For the first time ever, a sea otter pup conceived in the wild was born in captivity, according to researchers at the University of California Santa Cruz (UCSC), giving them a rare look at otter motherhood.
An orphaned pup, found alone and afraid on a California beach, is learning how to be an otter thanks in part to the Shedd Aquarium.
Despite the fact that sea otters have teeth made out of the same material as human teeth, they are somehow able to crunch though tough clams, crabs, and other shelled creatures without fear of chipping a tooth. Now, researchers think they figured out the secret of these super-strong teeth.
New research shows that certain sticky polymers produced by seaweed aids and abets the spread of disease from land animals to marine mammals, like endangered sea otters.
The number of California sea otters, a species on a painfully slow recovery path after facing near extinction, is currently holding steady, but according to new research, great white sharks are partly to blame for their recovery stall.
Motherhood is exhausting work, and none know this better than sea otter moms, whose exhaustive efforts can at times prove fatal.