Family: Acrocephalidae (Reed-warblers)

Authority: Ogilvie-Grant, 1913

Red List Category

Criteria: D2

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Justification of Red List category
This species qualifies as Vulnerable as it is only found on one small island, where it remains at risk from the accidental introduction of alien species, especially mammalian predators.

Population size: 4000-8600 mature individuals

Population trend: stable

Extent of occurrence (breeding/resident): 80 km²

Country endemic: yes

Attributes
Land-mass type - oceanic island
Realm - Oceanian
IUCN System - Terrestrial