Collared Petrel Pterodroma brevipes

Family: Procellariidae (Petrels, Shearwaters)

Authority: (Peale, 1848)

Red List Category

Criteria: C2a(i);D1

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Justification of Red List category
This species is listed as Vulnerable because improved knowledge indicates that, within its small population, the largest sub-population numbers fewer than 1,000 individuals, with the overall population suspected to be in decline owing to the effects of introduced species.

Population size: 670-6700 mature individuals

Population trend: decreasing

Extent of occurrence (breeding/resident): 35,100,000 km2

Country endemic: no

Realm - Oceanic
IUCN Ecosystem -- Terrestrial biome
IUCN Ecosystem -- Marine biome

Recommended citation
BirdLife International (2023) Species factsheet: Pterodroma brevipes. Downloaded from on 04/12/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from on 04/12/2023.