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Side-by-Side Comparison

Attribute	Saipan Reed-warbler	Grauer's Warbler
Scientific Name	Acrocephalus hiwae	Graueria vittata
Order	Passeriformes	Passeriformes
Family	Acrocephalidae	Acrocephalidae
Conservation Status	Endangered	Least Concern
Length	—	—
Wingspan	17.8 cm (7.0 in)	12.2 cm (4.8 in)
Weight	32.449999999999996 g (1.14 oz)	15.916666666666666 g (0.56 oz)
Diet	--	--
Clutch Size	2-4	--
Population Trend	—	—

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Habitat Comparison

Shared Habitats

None

Saipan Reed-warbler only

🏖️ Coastal 🌾 Grassland 🌿 Wetland

Grauer's Warbler only

🌲 Forest

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Conservation Status

Endangered

Saipan Reed-warbler

Least Concern

Grauer's Warbler

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About These Birds

Saipan Reed-warbler

The Saipan Reed-warbler (<em>Acrocephalus hiwae</em>) is a member of the family Acrocephalidae and is currently classified as Endangered by the IUCN, reflecting serious conservation concern for this island-endemic species. Detailed plumage and behavioral descriptions of this species are limited in the available literature. The species occupies coastal, grassland, and wetland habitats on the island of Saipan in the Northern Mariana Islands, making it highly vulnerable to habitat loss, introduced predators, and extreme weather events typical of Pacific island ecosystems. Geographic …

Grauer's Warbler

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