Family: Phylloscopidae (Leaf-warblers)

Authority: Meise, 1931

Red List Category

Criteria: B1b(ii,iii); C2a(ii)

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Justification of Red List category
This species is suspected to have a small population (comprising a single subpopulation) that is declining and also has a small range, confined to the island of Biak. It is therefore listed as Near Threatened.

Population size: 2500-9999

Population trend: Decreasing

Extent of occurrence (breeding/resident): 3,600 km²

Country endemic: Yes