Keywords: SternaBergiMap2.svg en Distribution map of Sterna bergii based on Birds of the Western Palaeartic and Terns of Europe and North America SternaBergiMap svg based on Higgins P J Davies S J J F eds Handbook of Australian New Zealand and Antarctic Birds Volume 3 Snipe to Pigeons 1996 Oxford University Press Melbourne 0-19-553070-5 and Olsen Klaus Malling Larsson Hans Terns of Europe and North America 1995 London Christopher Helm 0-7136-4056-1 2008-07-07 12 12 UTC derivative work Jimfbleak talk SternaBergiMap svg L Shyamal 2008-07 labels Jimfbleak SternaBergiMap svg Own work by uploader L Shyamal July 2008 full </nowiki> Uploaded with derivativeFX Thalasseus bergii Charadriiformes distribution maps |