Collared Petrel Pterodroma brevipes

Search terms 

Red List Category

Criteria: C2a(i);D1

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

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

Distribution size (breeding/resident): 34,400,000 km2

Country endemic: No

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

Recommended citation
BirdLife International (2016) Species factsheet: Pterodroma brevipes. Downloaded from on 02/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from on 02/12/2016.