Millerbird vs Grauer's Warbler

Acrocephalus familiaris compared with Graueria vittata

Side-by-Side Comparison

Attribute Millerbird Grauer's Warbler
Scientific Name Acrocephalus familiaris Graueria vittata
Order Passeriformes Passeriformes
Family Acrocephalidae Acrocephalidae
Conservation Status Endangered Least Concern
Length — —
Wingspan 12.1 cm (4.8 in) 12.2 cm (4.8 in)
Weight 18.216666666666665 g (0.64 oz) 15.916666666666666 g (0.56 oz)
Diet -- --
Clutch Size 1-3 --
Population Trend — —

Habitat Comparison

Shared Habitats

None

Millerbird only

None

Grauer's Warbler only

Conservation Status

Endangered

Millerbird

Least Concern

Grauer's Warbler

About These Birds

Millerbird

The Millerbird (<em>Acrocephalus familiaris</em>) is a small warbler of the family Acrocephalidae, currently classified as Endangered by the IUCN. Detailed plumage and behavioral descriptions of this species are limited in the available literature. The species is restricted to a very limited geographic range, historically associated with the Northwestern Hawaiian Islands, and its small and potentially declining population makes it one of the more at-risk members of its genus. No specific habitat categories are listed in available data, though island reed-warblers …

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