Killing the protected animals may be the only way to stop them from eating too many of the Pacific Northwest’s endangered ...

The Marine Mammal Center is monitoring an injured California sea lion spotted near Pier 39 in San Francisco on Tuesday.

Southern California beachgoers have been warned to be wary around sea lions after a mass poisoning event has made some more aggressive and potentially dangerous to humans. A Ventura County surfer, RJ ...

Along some 70 miles of Southern California coastline, usually curious and playful sea lions are attacking humans in the water. The animals are being poisoned by the ocean they live in, experts say, ...

Bipartisan lawmakers find common ground in the middle of partisan divides as sea lions threaten Washington salmon populations and fishing communities.

Washington state and federal wildlife officials, tribes and a nonprofit are using new tools in an intensive research project ...

A battle is underway in La Jolla, after sea lions conquered the town’s beaches, claiming them as their own breeding grounds. The phenomenon has attracted busloads of tourists who take pictures of ...

Sea lions on the Central Coast are seeing red. The Channel Islands Marine Wildlife Institute (CIMWI) has been recently inundated with reports of lethargic, loopy, and disoriented sea lions stranded on ...

Sea lions on the California coast are reportedly displaying strange behavior, likely due to a harmful algae bloom impacting the region, according to marine researchers. The sea lions are likely being ...

Quick Take Rocky the California Sea Lion survives gunshot wound, ruptured eye, and malnutrition before release back to the ...

LA JOLLA, Calif. -- La Jolla’s coastline is being conquered. Its colonizers have made their home in the seaside neighborhood’s rocks, terraces, beaches and caves. They make their presence known by ...