Red List Category
for more information about the Red List categories and criteria
Justification of Red List category
Known only from two specimens, one sighting in the 1990s and only three other reports, this very poorly known species is classified as Critically Endangered on the basis of a tiny known population which is presumed to be undergoing a continuing decline.
1-49 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