Red List Category
for more information about the Red List categories and criteria
Justification of Red List category
This species is listed as Endangered
because it has an extremely small population, which is probably stable. Its population size and very small range on one island make it susceptible to stochastic events, such as extreme
weather events and the introduction of alien taxa.
249-284 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 - Afrotropical - realm
IUCN Ecosystem -- Terrestrial biome