Family: Oceanitidae (Southern Storm-petrels)

Authority: (Mathews, 1932)

Red List Category

Criteria: D

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Justification of Red List category
Previously assumed to have been Extinct following the lack of records since three specimens were collected in the 1800s. However, the species was rediscovered in 2003, with multiple annual records in subsequent years. Although there is very little information on which to base an assessment, the species has been precautionarily classified as Critically Endangered on the basis of an extremely small population which could be susceptible to the impacts of introduced predators. Tentative population estimates (based on recaptures on land and re-sightings of banded birds at sea) indicate a bigger population than was thought, which may well lead to a revision of the Red List criteria and category to which it is assigned.

Population size: 1-49 mature individuals

Population trend: unknown

Extent of occurrence (breeding/resident): 1,690,000 km²

Country endemic: yes

Attributes
Land-mass type - oceanic island
Realm - Oceanian
IUCN System - Marine