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Band-winged nightjar
The band-winged nightjar (''Systellura longirostris'') is a species of nightjar in the Caprimulgidae family, monotypic in the genus ''Systellura''. It is widespread in South America, where found in the Andes, Venezuelan Coastal Range, Santa Marta Mountains, Tepuis, most of Chile, Argentina, Paraguay, Uruguay and eastern Brazil. It occurs in a wide range of habitats, from the edge of humid montane forest to shrubby semi-deserts (e.g. in south-eastern Brazil, it may even roost on roofs in major cities), but it strictly avoids tropical humid lowland forests such as the Amazon.
Over its large range, there are significant variations in its morphology, but, as suggested by its common name, it always has a distinctive band in the wing (best visible in flight), which is white in the male, buff in the female. Traditionally, "only" seven subspecies have been recognized, but two new subspecies, one from Chile〔Cleere, N. (2006). ''A new subspecies of Band-winged Nightjar Caprimulgus longirostris from Central Chile.'' Bull. British Ornithologists' Club. 126 (1) : 12-19.〕 and another from Brazil,〔Grantsau, R. (2008). ''Uma nova subespécie de Caprimulgus longirostris (Aves, Caprimulgidae).'' Atualidadedes Ornitológieas. 145: 4-5〕 have been described within the last few years. It has recently been suggested that ''C. (l.) roraimae'' of the tepuis and ''C. (l.) decussatus'' of coastal Peru and Ecuador should be treated as separate species.〔Cleere, N. (2010). ''Nightjars of the World.'' ISBN 1-903657-07-5.〕
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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