Family: Locustellidae (Grasshopper-warblers and grassbirds)

Authority: (Rand & Rabor, 1967)

Red List Category

Criteria: C2a(i)

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Justification of Red List category
The population size has not been quantified, but it is plausible that the species numbers less than 10,000 mature individuals. It is thought to decline due to the loss and degradation of forested habitat within the range. Given that the species was found to occur at several scattered localities, it is possible that it consists of several small subpopulations, the largest of which may number close to 1,000 mature individuals. Therefore, the species is listed as Near Threatened.

Population size: unknown

Population trend: decreasing

Extent of occurrence (breeding/resident): 47,000 km²

Country endemic: yes

Attributes
Realm - Indomalayan
Land-mass type - shelf island
IUCN Ecosystem -- Terrestrial biome