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. For example, he says steller sea lions have experienced population declines ...

Killing the protected animals may be the only way to stop them from eating too many of the Pacific Northwest’s endangered salmon.

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

The Marine Mammal Care Center said it's not unusual to find sea lions that have been shot by humans.

After looking at the X-rays, the rescue nonprofit realized “this was actually the second time he had narrowly escaped death.” ...

Wildlife rescuers pulled a critically ill California sea lion from Ballona Creek in Los Angeles earlier this month — later ...

A sea lion rescued from Ballona Creek earlier this month is recovering after treatment for a bacterial infection, a process ...

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 ...

PINNIPED PREDATION OF chinook has been a topic of heated anecdotal discussion and debate for decades. With chinook stocks diminished and recreational fisheries constrained by low runs, a recently ...