Family: Procellariidae (Petrels, Shearwaters)

Authority: (Stejneger, 1893)

Red List Category

Criteria: D2

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Justification of Red List category
This species qualifies as Vulnerable owing to its very small breeding range, which renders it susceptible to stochastic events and human impacts. Confirmation that introduced predators are causing a large decline may qualify it for uplisting to a higher threat category.

Population size: 262000 mature individuals

Population trend: decreasing

Extent of occurrence (breeding/resident): 56,600,000 km²

Country endemic: yes

Attributes
Land-mass type - oceanic island
Realm - Nearctic
Realm - Neotropical
Realm - Oceanian
Realm - Palearctic
IUCN System - Terrestrial
IUCN System - Marine