Red List Category
for more information about the Red List categories and criteria
Justification of Red List category
This species qualifies as Near Threatened because although rats have been eradicated at the largest breeding population, the population continues to slowly decline within its moderately small range.
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 - Oceanic - realm
IUCN Ecosystem -- Marine biome