For most mammals, growing up means giving up their mother’s milk. Then there are the sea lions of the Galápagos Islands.

Sea lions in Southern California waters had rarely posed a problem for beachgoers, surfers and swimmers. Now, scientists say a naturally occurring bloom of toxic algae, a neurotoxin, is infecting ...

The Marine Mammal Center (MMC) is monitoring an injured California sea lion spotted near Pier 39 in San Francisco on Tuesday.

"It's almost like a biker gang convention. They just arrive out of nowhere, they cause havoc, they’re barking and belching,” ...

MOUNTAIN VIEW — Authorities and animal rescue workers saved a baby California sea lion from a parking lot near Google’s ...

To rule out nutrient scarcity as a cause, he says you’d need to look not only at the quantity of food, but also the quality.

A male lion named Nilay and a female named Shanti have been introduced at Chester Zoo as part of an international ...

DAVENPORT, Calif. >> On a spit of sand 12 miles north of Santa Cruz, a small, emaciated sea lion lay on its side. The only sign of life was the deep press of its flippers against its belly, relaxing ...

A toxic algae bloom is causing sea lions and other mammals and birds to become sick. Domoic acid toxicity is caused by ocean blooms of algae called Harmful Algal Blooms. The toxin causes neurological ...