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Sterna
genus of Sternidae within Charadriiformes

trivial name latin name name specimens
Common Tern
Sterna hirundo 		Sterna hirundo 13 13
Arctic Tern
Sterna paradisaea 		Sterna paradisaea 9 9

species comparison1)

1) According to Hartmann (2000a, 2000b and 2016)

Random specimens

Common Tern
Sterna hirundo
Common Tern
Sterna hirundo
Arctic Tern
Sterna paradisaea
Arctic Tern
Sterna paradisaea
Arctic Tern
Sterna paradisaea
Common Tern
Sterna hirundo
Common Tern
Sterna hirundo
Common Tern
Sterna hirundo