Aleutian Tern(Onychoprion aleuticus, formerly Sterna aleutica)
Other Names:(Onychoprion aleuticus or Sterna aleutica
Distribution: Aleutian Islands and coastal areas of Kamchatka.
Size: 30-32 cm in length with a 73-75 cm wingspan.
Plumage: It has a black cap with a white forehead, dark gray mantle and underparts and a mostly pale underwing with a dark bar through the middle. It has a white rump and long forked tail, black legs, black eyes, and a black bill.