2020 Draft Pinniped Predation Report: Steller Sea Lions At Bonneville Dam Taking Big Whack Out Of Steelhead, Sturgeon

During the fall 2019 and spring 2020 monitoring seasons at Bonneville Dam, sea lions continued to prey on salmon, steelhead and sturgeon, but the proportion of California sea lions is continuing to drop while that of steller sea lions continues to rise, according to a draft annual pinniped report by the U.S. Army Corps of Engineers.

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