Family: Vireonidae (Vireos)

Authority: Sharpe, 1890

Red List Category

Criteria: D1

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Justification of Red List category
This species is assessed as Vulnerable because it is restricted to a single island and has a small population, estimated to number less than 1,000 mature individuals. 

Population size: 700-1000 mature individuals

Population trend: decreasing

Extent of occurrence (breeding/resident): 40 km²

Country endemic: yes

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