A highly contagious strain of avian flu has been detected in northern elephant seals at Año Nuevo State Park, the first time the disease has been detected in California’s marine mammal population.

Parks officials in California have canceled popular guided elephant seal tours for the remainder of the season and ...

Researchers have found avian flu in elephant seal pups at California’s Año Nuevo State Park, and officials have stopped ...

Seven baby elephant seals have tested positive for H5N1, the first case of bird flu in California marine mammals. On Tuesday ...