Red List Category
for more information about the Red List categories and criteria
Justification of Red List category
This species is classed as Near Threatened owing to its small population and small range on one island, which remains susceptible to the introduction of rats. Should any immediate threat arise, this species should be uplisted as a matter of urgency.
6000-8000 mature individuals
Distribution size (breeding/resident):
Land-mass type - oceanic island - Oceanic islands are islands or island groups that are <200,000 sq km in size and separated from other land masses by >200 m sea depth. Generally Oceanic islands are islands or island groups that are <200,000 sq km in size and separated from other land masses by >200 m sea depth. Generally they have never been connected to a continental area by a land-ridge, and are volcanic in origin.
Realm - Neotropical - realm
Realm - Antarctic - realm
IUCN Ecosystem -- Freshwater biome
IUCN Ecosystem -- Terrestrial biome
IUCN Ecosystem -- Marine biome