
Great Dusky Swift
NameGreat Dusky Swift
Common NameGreat Dusky Swift
Scientific NameCypseloides senex
FamilyApodidae
Wingspan (cm)42
Length (cm)19
Weight (g)100
Plumage DetailsEntirely dusky brown to blackish-brown plumage, appearing slightly paler on the underparts and rump. The head can show a subtly scaly appearance due to feather patterns.
Vocalization / CallVocalizations consist of a series of high-pitched, chattering or twittering notes, typically uttered while in flight.
Primary Dietinsectivore
Primary Habitatsforest, mountain
Conservation Statusleast-concern
Geographic RangeFound in southeastern Brazil, eastern Paraguay, and northeastern Argentina, primarily in humid montane forest regions.
Identifying Featureslarge size for a swift, dusky brown to blackish plumage, short, square tail, frequently observed near waterfalls for nesting, powerful, direct flight
Description
The Great Dusky Swift is a large, robust swift characterized by its dark plumage. It is often found near waterfalls, where it nests on wet cliff faces, and forages for insects in powerful, direct flight.





