Close-up of wild sea otter (Enhydra lutris) eating shellfish while floating on it's back.
Sea Otters Demonstrate that There Is More to Muscle than Just Movement—It Can Also Bring the Heat
Sea otters are born with a supercharged metabolism that helps them stay warm in chilly waters.
Sea Otters Demonstrate that There Is More to Muscle than Just Movement—It Can Also Bring the Heat
Sea Otters Demonstrate that There Is More to Muscle than Just Movement—It Can Also Bring the Heat

Sea otters are born with a supercharged metabolism that helps them stay warm in chilly waters.

Sea otters are born with a supercharged metabolism that helps them stay warm in chilly waters.

otters
Image of the Day: On the Rocks
Carolyn Wilke | Mar 15, 2019
Otters leave distinct patterns of wear on rocks they use for pounding mussels.
Researchers Focus on Sea Otter Deaths
A. J. S. Rayl | Feb 18, 2001
In trouble? The sea otter is dying from parasitic diseases for which the only known hosts are terrestrial mammals.