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.

Unlike most marine mammals, sea otters are primarily insulated by fur, not blubber. In fact they have the densest fur in the animal kingdom. Sadly that thick, resplendent coat has also given otters ...

Every day California sea otters spend 10 to 12 hours hunting and consume nearly a third of their body weight. Suzi Eszterhas Scientists have long designated the california sea otter a “keystone ...

UC Santa Cruz researchers are monitoring sea otters at Elkhorn Slough for potential impacts from the Moss Landing battery plant fire. Sea otters are a threatened species under the Endangered ...

Yet, by the early 1900s, sea otters had been hunted nearly to extinction for their fur. In the 1930s, a raft of some 50 sea otters were discovered off the coast of Big Sur. Margaret Wentworth ...