Family: Acrocephalidae (Reed-warblers)

Authority: (Sparrman, 1786)

Red List Category

Criteria: B1ab(ii,iii,v);C2a(i)

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Justification of Red List category
This species is listed as Endangered because it has a very small population and range, and it is now restricted to a single island where it is rare, localised and declining owing to disturbance and habitat degradation. Measures are urgently needed to regulate access to important breeding valleys and the collection of bamboo to slow its rate of decline.

Population size: 250-999

Population trend: Decreasing

Extent of occurrence (breeding/resident): 420 km²

Country endemic: Yes