This coast is a breeding ground for large colonies of eiders and other seabirds. John's Head is a significant nesting area for gulls, eiders, and guillemots. Apart from the large numbers of gulls, eiders nest on the island. Taken more preferentially where they occur are common eiders. Many birds nest here, including common eiders. It includes eiders, mergansers, goldeneyes and other sea ducks. Threatened species can occasionally be found here, including Steller's and spectacled eiders. Rafts of eiders, scoters and loons are present in the winter. As well as wintering eiders the basin supports a large breeding population. A particularly famous colony of eiders lives on the Farne Islands in Northumberland, England. Common eiders can be seen offshore and European herring gulls fly around the general area. Eiders also appeared to be the main prey species in Iceland. Eiders are still "farmed" by people in Iceland, Scandinavia and Siberia.