Red List Category
for more information about the Red List categories and criteria
Justification of Red List category
This species has been retained as Vulnerable despite undergoing a dramatic decline following the 2004 tsunami. The results of on-going monitoring suggest that the population is stable, although there is increased pressure on littoral forests, and this may lead to a category change in the future.
750-1500 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 - Indomalayan - realm
IUCN Ecosystem -- Terrestrial biome