Wild sea otters are no longer such a rare sight along the eastern coast of Hokkaido, Japan’s northernmost main island. Experts reckon there are now more than 50 of the endangered marine ...

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.

An invasive species had taken over ecosystems across the West Coast and was threatening to dominate another one in Monterey ...

FUKUOKA--Only three sea otters remain at aquariums in Japan, and they are now treated like rock stars because of their advancing years. Japan was once home to dozens of the cute mammals.

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.

Get Instant Summarized Text (Gist) Human activities, particularly those involving close proximity to sea otters, significantly impact their behavior and energy expenditure. Sea otters are less ...

Sea otters also have a high metabolism to help keep them warm. However, to maintain their energy, they need to eat around 25%-30% of their body weight, which can take 20%-50% of the day.

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. Kelp ...