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

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 ...

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 ...

It's known as the "Bonneville Buffet." Below Bonneville Dam, located 40 miles east of Portland, Ore. in the Columbia River Gorge, sea lions, sometimes by the dozens, gather to feed on tightly packed ...