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

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 ...

On Wednesday, the world watched as Taronga Zoo’s endangered sea lion pup, just nine weeks old, made her highly anticipated debut swim. This moment not only showcases the growth of the pup but also ...

"I don't know how to describe the fear that gripped me in that moment." Surfer fights for survival after vicious sea lion ...

They were flippin’ poisoned! The horde of “demonic” sea lions that attacked people off the California coast in recent weeks ...

The clip of the rockhopper mom facing off with a giant sea lion comes from National Geographic's upcoming docuseries, 'Secrets of the Penguins' ...

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 ...

A toxic algae bloom in southern California has sickened dozens of animals, causing them to have seizures and act erratically.

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

A state National Parks and Wildlife Service spokesperson told NewsWire there was a “small population” of Australian sea lions ...