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

MOUNTAIN VIEW — Authorities and animal rescue workers saved a baby California sea lion earlier this month after the animal ...

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 ...

Targeted poaching of lions for body parts is on the rise in Africa, posing an existential threat to a dwindling population.

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

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.

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

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 ...

After more than four decades, the Cleveland Metroparks Zoo is preparing to say goodbye to its seal and sea lions.