Red List Category
B1ab(i,ii,iv,v)+2ab(i,ii,iv,v); C2a(i); D
for more information about the Red List categories and criteria
Justification of Red List category
This species has an extremely small, severely fragmented range, and potentially as few as two viable subpopulations. Recent surveys suggest that the number of locations and mature individuals are both declining, and consequently it qualifies as Critically Endangered.
40-80 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