Otters are well known for their playful, energetic, and inquisitive behavior. Click here to discover five surprising facts ...

but there’s no reliable evidence that sea otters regularly do this in open water. It is true that they hug their pups while swimming on their backs. It is also true that they sometimes converge ...

Otters are truly fascinating creatures. These unique marine mammals are known for their dense coats, round bodies and expressive faces. Unless you're lucky enough to live by an ocean where sea ...

Sea otters are the smallest marine mammals, but they have some incredible adaptations to thrive in the ocean. Unlike seals and whales, they don’t have a thick layer of blubber to keep them warm.

Experts study southern sea otters to ensure their longtime survival on California’s coast. Adored by many for its cuddly appearance, the threatened southern sea otter is a voracious predator ...

Recovering sea otter populations are helping to restore the local ecoystem. Sea otters are proving to be Mother Nature's solution to the prevention of coastal erosion, a recent discovery that ...

“Sea otters are naturally wary of people ... she chased surfers and their boards throughout the legendary surf spots hugging the California coast between Santa Cruz’s lighthouse and wharf.

In parts of the ocean where sea otters face stark competition for their favorite kinds of food, some otters are getting by with the help of tools — like rocks and even glass bottles — that let ...

Adorably fuzzy sea otters aren’t just cute. The marine mammals serve a crucial role, helping to restore the giant kelp forests they rely on by removing their top predators, the sea urchins.

At Elkhorn Slough National Estuarine Research Reserve, a newly-reinvigorated population of native southern sea otters has eaten so many invasive European green crabs that researchers say the ...

A pair of rescued southern sea otters have found a new home at the New York Aquarium. Pumpkin and Clover were rescued in California as young pups — one was less than a day old when she was found. As ...

When sea otters were reintroduced along the coastlines of islands in Southern California and British Columbia, researchers saw kelp forests return to areas that were destroyed by sea urchins.