Family: Phylloscopidae (Leaf-warblers)

Authority: (Stejneger, 1882)

Red List Category

Criteria: C2a(ii)

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Justification of Red List category
This warbler qualifies as Vulnerable because it has a small, declining and fragmented population as a result of habitat loss, potentially compounded by pesticide use and trapping during migration.

Population size: 2500-9999 mature individuals

Population trend: decreasing

Extent of occurrence (breeding/resident): 133,000 km²

Country endemic: no

Attributes
Land-mass type - oceanic island
Realm - Indomalayan
Realm - Palearctic
IUCN System - Terrestrial