Aleutian tern

The Aleutian tern (Onychoprion aleuticus, formerly Sterna aleutica) is a seabird of the tern family, Sternidae. The genus name is from Ancient Greek onux, "claw", and "prion", nail. The specific aleuticus refers to the Aleutian Islands. This species breeds in colonies on coasts and islands in Alaska and easternmost Siberia. It is strongly migratory, wintering off Indonesia and Malaysia. Large numbers appear off China during passage periods. It is a very rare vagrant to western Europe, with just one record, on the Farne Islands off Northumberland, England on 28–29 May 1979.

Aleutian tern

The Aleutian tern (Onychoprion aleuticus, formerly Sterna aleutica) is a seabird of the tern family, Sternidae. The genus name is from Ancient Greek onux, "claw", and "prion", nail. The specific aleuticus refers to the Aleutian Islands. This species breeds in colonies on coasts and islands in Alaska and easternmost Siberia. It is strongly migratory, wintering off Indonesia and Malaysia. Large numbers appear off China during passage periods. It is a very rare vagrant to western Europe, with just one record, on the Farne Islands off Northumberland, England on 28–29 May 1979.