Ascension Frigatebird Fregata aquila

Family: Fregatidae (Frigatebirds)

Authority: (Linnaeus, 1758)

Red List Category

Criteria: D2

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Justification of Red List category
This species is classified as Vulnerable as it has a very small area of occupancy, with the vast majority of the global population restricted to one tiny island where invasion by feral cats was a concern. Following the cat eradication on the adjacent main island of Ascension, this risk has now been substantially reduced. Censusing the population and ascertaining trends is particularly problematic. There is currently no evidence that this species qualifies for for a different threat category.

Population size: 17000-21000

Population trend: Unknown

Extent of occurrence (breeding/resident): 2,620,000 km2

Country endemic: Yes

Land-mass type - oceanic island
Realm - Afrotropical
IUCN Ecosystem -- Marine biome

Recommended citation
BirdLife International (2018) Species factsheet: Fregata aquila. Downloaded from on 14/11/2018. Recommended citation for factsheets for more than one species: BirdLife International (2018) IUCN Red List for birds. Downloaded from on 14/11/2018.