Red List Category
for more information about the Red List categories and criteria
Justification of Red List category
This little-known species is classified as Vulnerable because it is restricted to two small islands and is thus inherently susceptible to stochastic events and human
activities. In particular, it may be threatened by extreme climatic events, which regularly occur in this region, as well as the possibility of introduction of pest species. Any evidence of
increases in climate variability, or the arrival of invasive pests to occupied islands, should lead to re-appraisal of its status.
600-1700 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 - Neotropical - realm
IUCN Ecosystem -- Terrestrial biome