Family Sternidae Sternula albifrons Little Tern 4 Photos Gelochelidon nilotica Gull-billed Tern 1 Photos Sterna hirundo Common Tern 2 Photos Sterna paradisaea Arctic Tern 13 Photos Hydroprogne caspia Caspian Tern 1 Photos Chlidonias niger Black Tern 4 Photos Chlidonias leucopterus White-winged Tern 1 Photos Chlidonias hybrida Whiskered Tern 3 Photos