Red List Category
for more information about the Red List categories and criteria
Justification of Red List category
This enigmatic species is classified as Vulnerable on the basis of a small population which is declining through habitat loss and is likely to be fragmented into very small subpopulations across three islands. However, its total population size, habitat requirements, and rate of decline are very poorly known.
4000 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 - Oceanic - realm
IUCN Ecosystem -- Terrestrial biome