Ever-increasing levels of predation by Steller sea lions, and to some degree California sea lions, on white sturgeon appears to be a trend that is continuing upward in the waters below the lower Columbia River’s Bonneville Dam.
Ever-increasing levels of predation by Steller sea lions, and to some degree California sea lions, on white sturgeon appears to be a trend that is continuing upward in the waters below the lower Columbia River’s Bonneville Dam.