South American Tern (Sterna hirundinacea), Beagle Channel, Argentina, South America

Adult elegant tern (Thalasseus elegans), looking for fish on Isla Carmen, Baja California Sur, Sea of Cortez, Mexico, North America

Adult elegant terns (Thalasseus elegans), at breeding colony on Isla Rasa, Baja California, Sea of Cortez, Mexico, North America

Adult elegant tern (Thalasseus elegans), looking for fish on Isla Carmen, Baja California Sur, Sea of Cortez, Mexico, North America

Adult Antarctic tern (Sterna vittata) plunge diving for food in Grytviken, South Georgia, Polar Regions

Common white-tern (Gygis alba), Denis Island, Seychelles, Indian Ocean, Africa

black tern: chlidonias niger, on reedmace stump, tartumaa, estonia

Black Noddy Terns western Heron Island, Great Barrier Reef Marine Park, UNESCO World Heritage Site, Queensland, Australia

Caspian Tern (Sterna caspia), adult, Corpus Christi, Coastal Bend, Texas, USA

royal tern flock group of birds taking off from shore wings spread sea in background outdoors horizontal format