Whiskered terns are a sight to behold while they cool their feet on a perch: as streamlined as a McLaren Speedtail, their ...

The birds studied were herring gulls, Caspian terns and black-crowned night herons. Start the day smarter. Get all the news you need in your inbox each morning. The birds were assessed at known ...

Performing medical tests on colonies of herring gulls, black-crowned night herons and Caspian terns to see whether pollution is contributing to their health problems and low population numbers. For ...