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

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 ...

This is one creative way of conducting research: eight sea lions from Australia have been equipped with cameras in order to ...

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

In a remarkable display of maternal courage, a rockhopper penguin was caught on camera defending her chicks against a massive ...

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

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

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.

Along some 70 miles of Southern California coastline, usually curious and playful sea lions are attacking humans in the water ...

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 ...

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