When scientists compared what California sea lions eat in the Channel Islands (U.S.) and the Gulf of California (Mexico), ...

Wildlife regulators have been trying to protect the endangered salmon along the Columbia River, and in 2007 they began shooting sea lions that... Salmon-Eating Sea Lions Targeted For Good Taste Each ...

Here's what happens: The plankton eat algae that contains the acid, and then the fish eat the plankton, and the sea lions eat the fish — one thing surviving off another, passing on the toxic acid.

PORTLAND - The competition between protected sea lions gobbling Columbia River salmon and impatient humans with empty fishing lines has led to vigilante action. A fisherman shot a sea lion who stole a ...

OREGON CITY, Ore. - Not only are sea lions feasting on endangered salmon in the Columbia River, now they're gorging on them along the Willamette River, too. It's getting so bad, sport fishermen said ...

Sea lions on the California coast are reportedly displaying strange behavior, likely due to a harmful algae bloom impacting the region, according to marine researchers. The sea lions are likely being ...

Sea Lions in the Cowliz River, near the mouth of the Cowlitz and the Columbia rivers in southwestern Washington. (Photo by GarysFRP/Getty Images) The federal permit that allows Northwest states and ...

Drivers on a Washington state road came up against a surprising and sizeable road hazard during a recent rain storm -- a ...