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 ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. BOISE, Idaho (AP) — More than 1,100 sea ...

PORTLAND, Ore. - A federal agency has authorized the killing of some California sea lions that prey on migrating salmon and steelhead at the base of Bonneville Dam on the Columbia River. The lethal ...

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.

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 ...

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 ...