More than a decade later, we helped uphold the U.S. Fish and Wildlife Service’s decision to end a program relocating sea otters from a large portion of Southern California waters, including a ...

UC Santa Cruz researchers are monitoring sea otters at Elkhorn Slough for potential impacts from the Moss Landing battery plant fire.

No one on the Harriman Alaska Expedition reported seeing a sea otter in 1899, a fact that must have disappointed those scientists interested in the small, sleek mammal. Harriman himself did try to ...

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 ...