GREAT DUSKY SWIFT

The 'Great Dusky Swift' ('''Cypseloides senex''') is a species of swift in the Apodidae family.
It is found in Argentina, Bolivia, Brazil, and Paraguay.
Its natural habitats are temperate forests, subtropical or tropical moist lowland forests, and heavily degraded former forest.

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★ BirdLife International 2004. Cypseloides senex. 2006 IUCN Red List of Threatened Species. Downloaded on 24 July 2007.