Great dusky swift
|great dusky swift|
The great dusky swift (Cypseloides senex) is a South American species of swift in the family Apodidae. At 18 cm in length, it is large relative to other swifts, and dark brown in colour with a pale coloured head.
It is found in Brazil and far northeastern areas of Bolivia, Paraguay and Argentina. Its natural habitats are temperate forests, subtropical or tropical moist lowland forests, and heavily degraded former forest. Its very large (though patchy) distribution means that it is classified by IUCN as "least concern".
- BirdLife International (2012). "Cypseloides senex". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013.
- "Cypseloides senex (Great dusky swift)". The Cornell Lab. of Ornithology - Neotropical Birds. Retrieved 7 September 2016.
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