Black Swift Cypseloides niger

Family: Apodidae (Swifts)

Authority: (Gmelin, 1789)

Red List Category

Criteria: A2ace+3ce+4ace

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Justification of Red List category
The species is undergoing a rapid decline throughout North America. The reasons for the decline are uncertain, but possibly due to climate change and pesticide use. As a result, the species is precautionarily listed as Vulnerable. The rate of decline is only known for parts of its range, and if further information becomes available, it might warrant uplisting.

Population size: 210000

Population trend: Decreasing

Extent of occurrence (breeding/resident): 13,000,000 km2

Country endemic: No

USFWS - Bird of Conservation Concern
Realm - Nearctic
Realm - Neotropical
IUCN Ecosystem -- Terrestrial biome

Recommended citation
BirdLife International (2021) Species factsheet: Cypseloides niger. Downloaded from on 07/03/2021. Recommended citation for factsheets for more than one species: BirdLife International (2021) IUCN Red List for birds. Downloaded from on 07/03/2021.