If sea otter populations continue to grow, perhaps they too will return to the region, he said. "We made a prediction recently in 2018 that the San Francisco Bay could probably currently support ...

Otter 841 grabbed national attention last year as she chased surfers and their boards throughout the legendary surf spots hugging the California coast between Santa Cruz’s lighthouse and wharf.

Some otters rely on tools to bust open hard-shelled prey items like snails, and a new study suggests this tool use is helping them to survive as their favorite, easier-to-eat foods disappear.

Two river otters, Louie and Ophelia, weaseled their way out of their Wisconsin zoo enclosure last week during a winter storm, appearing on security camera footage cavorting across the snow, as the ...

Sea otters play a vital role in maintaining the balance of sensitive kelp forests. Hidden beneath the surface of our coastal seas are towering forests - of kelp. These underwater ecosystems are as ...

Sea otters are known for using tools, but not all of them do. A new study finds those that use tools have better survival odds in a world where their traditional food sources are changing.

Sea otters live in chilly waters that can reach temperatures of 32 to 59 degrees Fahrenheit. Typically, mammals that live in this type of environment withstand the cold through blubber or being big.

River otters can have negative impacts on other animals. One example is a large population of common snapping turtles that was studied for more than 15 years in Canada.

Otters have been spotted on a rural estate for the first time in 70 years. The pair of otters - a mother and baby - were seen at Ewhurst Park, a 1,000-acre estate near Basingstoke.