Marie Read / Arctic terns (Sterna paradisaea), two in flight over nesting colony in field of buttercups (Ranunculus sp.), Keflavik, Iceland. Digital canvas expansion.

Andres M. Dominguez/ BIA / Common Tern (Sterna hirundo) flying with fish prey, Danube Delta, Romania

Alan Murphy/ BIA / Forster's Tern (Sterna forsteri) flying, Texas

Bruno de Faveri / Arctic Tern (Sterna paradisaea) with begging chick, Farne Islands, England, United Kingdom

Mark Hughes / Common Tern (Sterna hirundo) flying, Stockers Lake, Hertfordshire, England

Oriol Alamany / Rock paintings of Terns (Sterna sp) at Ana Kai Tangata cave, Easter Island (Pascua or Rapa Nui), Pacific Island, Unesco World Heritage Site, November 2004

Mitsuaki Iwago / Arctic Tern (Sterna paradisaea) flying overhead, Arctic

Michael Quinton / Arctic Tern (Sterna paradisaea) flying, Alaska

Alan Murphy/ BIA / Least Tern (Sterna antillarum) with fish prey, Texas

Alan Murphy/ BIA / Arctic Tern (Sterna paradisaea) group flying, Iceland

Alan Murphy/ BIA / Arctic Tern (Sterna paradisaea) approaching in densive posture, Iceland

Yva Momatiuk & John Eastcott / Arctic Tern (Sterna paradisaea) group flying, Haganesvik, Iceland