Southern sea otters gather in the seaweed in Morro Bay Harbor, California. The U.S. Fish and Wildlife Service in September 2023 found that southern sea otters remain a threatened species. SAN LUIS ...

Canadian researchers find higher concentrations of PFAS in sea otters near shipping routes and coastal cities.

Despite recent efforts by sea urchin harvesters to reduce protections for southern sea otters under the Endangered Species Act, the species is still at risk, federal officials say. The fuzzy marine ...

Despite recent efforts by sea urchin harvesters to reduce protections for southern sea otters under the Endangered Species Act, the species is still at risk, federal officials say. The fuzzy marine ...

Sea urchins are devouring California’s coastal kelp faster than it can reproduce, researchers said. Photo by Portuguese Gravity on Unsplash California scientists are declaring war on sea urchins. The ...

LOS ANGELES - Sea otters are on the rebound in Southern California, creating a classic man vs. nature conflict with sea-urchin divers. U.S. officials have abandoned a costly and ineffective policy ...

Here’s a win for the southern sea otters — the coastal mammals will retain their status as a threatened species under the Endangered Species act. Why now: The U.S. Fish and Wildlife Service announced ...

California's sea otters were once hunted to the brink of extinction. We can thank conservation laws like the Endangered Species Act for there being a few thousand of them floating and paddling along ...