Scientists estimate more than 60 marine mammals may have been infected by the virus.

Well-trained students and scientists are the boots on the beach collecting the samples and observations needed to help a ...

An avian flu outbreak at California's Año Nuevo State Park is spreading across the Central Coast, infecting elephant seals, a ...

A sea otter mother was given a touching reunion with her pup in the waters off Morro Bay thanks to a local nonprofit. On Oct. 20, The Marine Mammal Center’s San Luis Obispo team spotted a sea otter ...

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 ...

Following news this week of a southern sea otter's death from avian flu, experts are now saying the disease's outbreak has infected more species of marine mammals along the San Mateo County coast.

Q. You once said diamondback terrapins were your favorite turtle. What is your favorite mammal? A. Tough question, because all puppies and kittens, indeed most baby mammals, are engaging. But sea ...