The number of California sea lions is declining, but the number of Stellers remains high. Monitoring now occurs in all seasons except summer.
New federal law and permit allow states and tribes to remove more sea lions from the Columbia River, including Stellers, which can weigh more than a ton.
Big sea lions are causing big problems for Columbia River salmon and steelhead, according to the U.S. Army Corps of Engineers' annual report on sea lion predation at Bonneville Dam.
Tribal leader was well-known for his work to protect salmon from sea lions and educate about tribal culture.
In 'Sherman's Lagoon,' Filmore declares 'We need to help the seals and sea lions in the Columbia River."
Application targets aggressive sea lions that prey on Columbia River fish between the ocean and McNary Dam.
The Council this month approved a request from the Washington Department of Fish and Wildlife for the Bonneville Power Administration to fund the construction of a floating platform big enough to handle Steller sea lions, which can weigh more than
Hazing, relocation to the ocean prove ineffective at deterring sea lion predation on fish at Willamette Falls.
The governors of Idaho, Oregon, and Washington sent a letter to the House members of the Northwest Congressional delegation supporting federal legislation that would better control predation by sea lions on Columbia River salmon and steelhead.
Sea lions continue to feast on Columbia River spring Chinook, this year killing 24 percent of an already depressed run, research suggests.