Two weeks after scientists confirmed the first-ever outbreak of avian influenza, or bird flu, in elephant seals along the ...

Wildlife authorities confirmed Thursday that nine more elephant seals, a sea lion and an otter have died from bird flu at Ano ...

After H5N1 bird flu was detected in elephant seals gathered at Año Nuevo State Park, other marine mammals have also succumbed, including a sea otter and sea lion. So far, only animals in San Mateo ...

The cluster of infections appears confined to an area of San Mateo County, and no cases have been detected at Point Reyes National Seashore.

Research has confirmed that avian flu has been detected in both a dead southern sea otter and a dead sea lion.

Here's an unlikely friendship: Bosu the lion cub and Kappa, the small-clawed otter. The Zoological Wildlife Foundation posted a video of 1-year-old Kappa running around Bosu, who is 3.5-months-old. In ...

The Department of Fish and Game (DFG) Wednesday reported a record number of shark-bitten sea otters in August along California's central coast. "Scientists collected 19 injured or dead otters with ...

Millions of years ago, some prehistoric otters grew far larger than any species alive today. Fossils of the giant otter ...

Southern sea otters living along California’s coast are struggling in warmer seas, with new threats and changing food sources. They, like the other two sea otter subspecies, are classified as ...