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Side-by-Side Comparison

Attribute	Guam Reed-warbler	Subdesert Brush-warbler
Scientific Name	Acrocephalus luscinius	Nesillas lantzii
Order	Passeriformes	Passeriformes
Family	Acrocephalidae	Acrocephalidae
Conservation Status	Extinct	Least Concern
Length	—	—
Wingspan	—	12.2 cm (4.8 in)
Weight	31.475 g (1.11 oz)	17.5 g (0.62 oz)
Diet	--	--
Clutch Size	2-4	2
Population Trend	—	—

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Habitat Comparison

Shared Habitats

None

Guam Reed-warbler only

🌲 Forest 🌾 Grassland 🌿 Wetland

Subdesert Brush-warbler only

None

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Conservation Status

Extinct

Guam Reed-warbler

Least Concern

Subdesert Brush-warbler

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About These Birds

Guam Reed-warbler

The Guam Reed-warbler (<em>Acrocephalus luscinius</em>) was a member of the family Acrocephalidae that has been classified as Extinct by the IUCN, representing one of the many endemic Pacific island birds lost following the introduction of the brown tree snake to Guam after World War II. Detailed plumage and behavioral descriptions of this species are limited in the available literature. When extant, it inhabited forest, grassland, and wetland environments across Guam in the western Pacific. Its geographic range was confined to …

Subdesert Brush-warbler

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