SeaWorld San Diego's rescue team released this California sea lion back into the Pacific Ocean after rehabilitation. Video: ...

A free-diving spearfisherman was suddenly rendered helpless after an unnerving incident with a sea lion off San Diego.

Handfuls of California sea lions are getting sick from domoic acid poisoning that stems from algae. If you haven't heard of ...

Dolphins, sea lions and seabirds are being found sick along beaches throughout Southern California, poisoned by an ...

Of the 407 animals the Marine Mammal Center responded to in 2024, 20% had been disturbed by people or dogs before being ...

Sea lions and dolphins can be seen along LA coastlines from Long Beach to Malibu as toxic algal bloom continues to increase.

After a Doran Regional Park staff member discovered a beheaded sea lion, authorities are now investigating the incident.

"Lifeguards determined that a free diver had been bitten by a marine mammal (sea lion or harbor seal)," the department says.

SeaWorld's rescue team says toxic algae bloom is making sea lions sick, causing unusual behavior and seizures. ABC 10News shows you what you can do to help.

As a harmful algae bloom continues to spread along California’s coastline, more animals are falling ill in San Diego.

Wildlife officials are warning the public of a toxic algae bloom affecting marine mammals along Los Angeles County beaches.

Warner said it is all hands on deck — he was out on the sand in Manhattan Beach with his rescue team on Monday, March 17, and the group had to pass two dead dolphins and a seizing sea lion to ...