As states and tribes begin trapping and euthanizing sea lions in the Columbia River near Bonneville Dam this week, the U.S. Army Corps of Engineers released its 2023 report on last year’s pinniped abundance and predation of salmon and steelhead. The report covers the period July 2022 through May 2023 and shows that the 104 sea lions observed during the 2023 reporting period is the highest since 2018, when the number was 134.
