Masatierra Petrel Pterodroma defilippiana

Family: Procellariidae (Petrels, Shearwaters)

Authority: (Giglioli & Salvadori, 1869)

Red List Category

Criteria: D2

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 very small breeding range at three or four locations, and is therefore susceptible to stochastic events or human impacts. It is likely to have been extirpated from one island some time ago, but the bulk of the population is presumably stable.

Population size: 5554 mature individuals

Population trend: stable

Extent of occurrence (breeding/resident): 1,900,000 km2

Country endemic: yes

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

Recommended citation
BirdLife International (2023) Species factsheet: Pterodroma defilippiana. Downloaded from on 01/12/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from on 01/12/2023.