Mangoverde :: World Bird Guide :: Terns :: Gray-backed Tern

Gray-backed Tern Sterna lunata

Described by: Peale (1848)
Alternate common name(s): Spectacled Tern, Grey-backed Tern
Old scientific name(s): Haliplana lunata, Onychoprion lunatus


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Tropical wc. Pacific Ocean;
N. Mariana Is. (Guguan) e. to Wake Is., n. Marshall Is., Johnston Atoll, and the Hawaiian Is. Kure e. to Kaula and Moku Manu off Oahu then s. through Kiribati (Line Is. and Phoenix Is.) to Fiji and e. to Austral Is. and Tuamotu Is. and possibly Samoa and Society Is.
Formerly Easter Is.
Disperses w. to n. Moluccas. Reports from the Caroline Is. (Palau and Yap) are questionable;


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No sounds are available for this species


Clements, James F. Birds of the World: A Checklist. Vista, CA: Ibis Publishing Company, 2000.


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