Gulls and terns studied in known polluted shoreline areas had a host of worse health and reproductive outcomes than those in ...

Caspian terns are impressive seabirds with their large size, black crests, and red bills. They are witnessed in the Caspian Sea and central Asia. This energetic bird, a winter favourite ...

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 ...