The Arctic Tern (Sterna paradisaea) In Flight
With its long tail streamers and general shape the Arctic tern deserves the local name of 'sea swallow'. Appearing white with a black cap, it is largely coastal although it can be seen inland on migration. It depends on a healthy marine environment and some colonies have been affected by fish shortages. Arctic terns are the ultimate long distance migrants - summer visitors to the UK and winter visitors to the Antarctic.
Breeding terns can best be seen on islands such as the Farne Islands in Northumberland or on the Northern Isles where the greatest breeding densities occur.