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Aerodramus bartschi (Mearns, 1909)
Mariana Swiftlet, Aerodramus bartschi, is a swift in the family Apodidae that breeds in the Northern Mariana Islands of western Micronesia, on Saipan and Aguijan, with Rota and Tinian now extinct. It is also known from Guam. Its nesting sites are limestone caves, where it places shallow nests on interior walls and ceilings, even in complete darkness. The species has a shallowly forked tail and plumage without gloss. It was described by Mearns in 1909.
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