text: In this file photo taken May 24, 2019, the carcass of a gray whale lies where it washed up on the coast of Washington's Olympic Peninsula, just north of Kalaloch Campground in Olympic National Park. Researchers say the population of gray whales off the West Coast of the United States has fallen by nearly one-quarter since 2016, resembling a similar die-off two decades ago. (AP Photo/Gene Johnson, File