Thousands of dead seabirds are washing up on Australia's beaches. Researchers want to know why

Each spring about 20m shearwaters fly 15,000km to Australia from the northern hemisphere. This year, beachgoers have been finding many emaciated carcasses Get our breaking news email, free app or daily news podcast Thousands of short-tailed shearwaters are washing up dead on Australian east coast beaches and researchers are uncertain of the cause and scale of these seabird "wrecks". Each spring about 20m shearwaters, also called yula or muttonbirds, fly 15,000km back to southern Australia from t...