Sterna alba Sparrm., Mus. Carl., i, No. 2 (1786).
Type-locality by sub. desig.: Ascension Is.
The typical form differs from the Indian Ocean form in having white shafts to the primary quills and tail-feathers instead of dark brown.
The Fauna Of British India, Including Ceylon And Burma-birds(second Edition)
Baker, EC S (1922–1930) The fauna of British India, including Ceylon and Burma. Second edition. vol.6 1929.
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