A common neurotoxin produced by algae blooms is making California sea lions more aggressive. Here’s why it has the power to change behavior—and the danger it poses. Rescuers capture a sick sea lion in ...

Animals that researchers call “supersucklers” come back to nurse even after they can hunt, mate and fend for themselves.

Of all the schemes that humans have devised to keep sea lions from gorging on the salmon of the Columbia River basin, none has worked for long. Local officials and researchers have chased sea lions ...

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, ...

Sea lions and other ocean mammals in Southern California are falling victim to a poisoning event that a local expert calls the worst in recent memory. It is stranding the mammals along the coast as ...

A sea lion swims in circles near Who Song & Larry’s Restaurant and Cantina along the Columbia River in 2021. The federal government recently renewed permits to remove salmon-munching sea lions without ...

SANTA CRUZ — Volunteers with the Marine Mammal Center rescued a sea lion that washed up on the beach at Natural Bridges State Beach Sunday afternoon. The Marine Mammal Center is a nonprofit ...

Anyone walking along the North or Baltic Sea might spot a seal with a bit of luck–but not sea lions. Yet, the two are often confused, leading many to wonder: What exactly is the difference between a ...

The situation at first seemed comical – a cute sea lion ruling the line up at the wild Wedge in Newport Beach, where wave riders showed up earlier this week to take on beefy waves from the first south ...

A man was arrested Tuesday morning after allegedly beating a sea lion suffering from domoic acid poisoning on Ventura Beach, according to authorities. Surveillance footage captured a man later ...