Red List Category
for more information about the Red List categories and criteria
Justification of Red List category
This species is listed as Vulnerable because it has a very small population and range and there have been recent declines in one subpopulation. It was far more widespread in the nineteenth century, with birds frequently seen on most islands. This range contraction may have resulted from widespread persecution in the past.
530 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