Public safety officials have been warning beachgoers to stay away from animals found stranded on the beach because they can ...

A sea lion was spotted swimming in the Willamette River under the Hawthorne Bridge in downtown Portland on Tuesday. KOIN 6 ...

Along some seventy plus miles of southern California coastline, usually curious and playful sea lions are attacking humans in ...

National Geographic's upcoming docuseries, 'Secrets of the Penguins,' captured a shocking encounter between a mother rockhopper penguin and giant, hungry sea lion, and PEOPLE has a first look at the f ...

Learn more about an algae bloom that’s causing sea lions to act erratically, leading to a few cases of aggression.

Public safety officials have been warning beachgoers to stay away from animals found stranded on the beach because they can become aggressive.

And many are dying. Pheobe Beltran, a 15-year-old girl in Long Beach, was swimming on March 30, when a sea lion attacked her right arm. “I was just so scared, so shocked, but I still felt the ...