This year’s late-timed rush of spring chinook salmon up the Columbia River may have done as much to save their number as did elaborate human efforts to keep the fish from the jaws of sea lions lurking at the base of Bonneville Dam.
This year’s late-timed rush of spring chinook salmon up the Columbia River may have done as much to save their number as did elaborate human efforts to keep the fish from the jaws of sea lions lurking at the base of Bonneville Dam.