Flightless Cormorant Nannopterum harrisi

Family: Phalacrocoracidae (Cormorants)

Authority: (Rothschild, 1898)

Red List Category

Criteria: D2

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Justification of Red List category
This species qualifies as Vulnerable because it occupies an extremely small range, comprising only two locations, and its status could change in a short space of time, such that it qualifies as Critically Endangered, or even Extinct, owing to potential future threats.

Population size:

Population trend: Stable

Extent of occurrence (breeding/resident): 5,900 km2

Country endemic: Yes

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

Recommended citation
BirdLife International (2023) Species factsheet: Nannopterum harrisi. Downloaded from on 26/03/2023. Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from on 26/03/2023.