Red List Category
for more information about the Red List categories and criteria
Justification of Red List category
This thrush has a small, rapidly declining population as a result of high levels of nest-predation by introduced species, probably compounded by habitat loss. It therefore qualifies as Vulnerable.
2500-9999 mature individuals
Distribution size (breeding/resident):
Land-mass type - shelf island - Continental islands include all other islands or island groups. Generally they were once part of continents and lie on a continental shelf of < 200 m sea depth.
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 - Palearctic - realm
IUCN Ecosystem -- Terrestrial biome