Family: Procellariidae (Petrels, Shearwaters)

Authority: Mathews, 1934

Red List Category

Criteria: D1+2

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Justification of Red List category
This recently split species is listed as Vulnerable because, although it appears to be stable, it has a very small population. It occupies a very small range on only one island when breeding and is susceptible to human impacts, introduced species and stochastic events, which could drive the species towards extinction in a very short time.

Population size: 250-999

Population trend: Stable

Extent of occurrence (breeding/resident): 61,500,000 km²

Country endemic: Yes