A sea lion infected by a toxic algae bloom became aggressive at a Southern California beach this week, chasing surfers out of ...

It’s a sunny day on California’s iconic coastline. Suddenly, a normally playful sea lion lunges aggressively at a surfer, ...

Some surfers in Newport Beach had to cut and run after they were chased by a sea lion that may have been suffering from the ...

The March incident highlights an ongoing deadly outbreak as a neurotoxin ravages wildlife in Southern California.

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

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 ...

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

Shocking video shows an aggressive sea lion actively going after people in the water and on shore. Experts say a toxic algae ...

The cause is less demonic and more likely domoic acid toxicosis caused by toxic algal bloom, often referred to as red tide, ...

Caught at the edge of the sea, a mother penguin makes an unthinkable choice: fight or lose everything Sometimes, the fiercest ...

A large sea lion the “size of a small cow” was discovered dead on the side of a busy highway in North Adelaide, in what ...

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 ...