FILE - A dead sea bird lays beside a dead sea lion on the beach at Punta Bermeja, on the Atlantic coast of the Patagonian province of Río Negro, near Viedma, Argentina, Monday, Aug. 28, 2023. Government experts suspect that bird flu is killing sea lions along Argentina's entire Atlantic coastline, causing authorities to close many beaches in order to prevent the virus from spreading further. (AP Photo/Juan Macri, File)