Family: Monarchidae (Monarch-flycatchers)

Authority: (Gmelin, 1789)

Red List Category

Criteria: B1ab(i,ii,iii,iv,v)

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Justification of Red List category
This species qualifies as Vulnerable because it occupies a small and declining range, in which its population is severely fragmented and in decline, owing primarily to the effects of introduced species, including pathogens.

Population size: 216000

Population trend: Decreasing

Extent of occurrence (breeding/resident): 10,400 km²

Country endemic: Yes

Attributes
IUCN Ecosystem -- Terrestrial biome
Land-mass type - oceanic island
Realm - Oceanic
USFWS - Bird of Conservation Concern