Columbia River Sea Lions Home Sea Lion News • States wrap up 2009 effort to remove predatory sea lions • Wildlife managers to resume removing California sea lions at Bonneville Dam Background Questions and Answers Sea Lion Fact Sheet Predation at Bonneville Endangered/Threatened Fish Federal Authorization for States to Remove Sea Lions WDFW statement Columbia River Inter-Tribal Fish Commission letter [PDF Format] Northwest Power and Conservation Chair letter Other Views No more free lunch on the Columbia - Oregonian Related Links Oregon Dept. of Fish and Wildlife Idaho Dept. of Fish and Wildlife National Marine Fisheries Service US Army Corps of Engineers Fish Counts at Bonneville Dam Northwest Power and Conservation Council Marine Mammal Protection Act

Predation on Salmon and Steelhead Below Bonneville Dam (Jan.-May) Year Salmon/steelhead Runs* Sea Lion Predation Predation as % of Run 2002 284,733 1,010 0.4% 2003 217,185 2,329 1.1% 2004 186,804 3,533 1.9% 2005 82,006 2,920 3.4% 2006 105,063 3,023 2.8% 2007 88,474 3,859 4.2% 2008 147,543 4,466 2.9% Source: Army Corps of Engineers * Passage at Bonneville Dam

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