Atiu Swiftlet Aerodramus sawtelli

Family: Apodidae (Swifts)

Authority: Holyoak, 1974

Red List Category

Criteria: D1+2

Click here for more information about the Red List categories and criteria

Justification of Red List category
This species qualifies as Vulnerable because it has a small population on one island and is confined, when breeding, to just two caves, and hence is susceptible to stochastic events and human activities. If the population were shown to be in decline it may warrant uplisting to a higher threat category.

Population size: 400

Population trend: Stable

Extent of occurrence (breeding/resident): 27 km2

Country endemic: Yes

Land-mass type - oceanic island
Realm - Oceanic
IUCN Ecosystem -- Terrestrial biome

Recommended citation
BirdLife International (2019) Species factsheet: Aerodramus sawtelli. Downloaded from on 17/09/2019. Recommended citation for factsheets for more than one species: BirdLife International (2019) IUCN Red List for birds. Downloaded from on 17/09/2019.