When scientists compared what California sea lions eat in the Channel Islands (U.S.) and the Gulf of California (Mexico), they expected to find a clear explanation for why populations were booming in ...

The southern sea lion (Otaria flavescens) is widely distributed around the Falkland Islands and likes to reside along shorelines and beaches. Adult males can weigh up to 770 pounds. They feed on fish, ...

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

In Astoria, sea lions are an endemic presence along the Columbia River banks and especially along the Port of Astoria’s East Mooring Basin. The port has experimented with several nonlethal methods for ...

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 ...