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Side-by-Side Comparison

Attribute	Henderson Island Reed-warbler	Papyrus Yellow Warbler
Scientific Name	Acrocephalus taiti	Calamonastides gracilirostris
Order	Passeriformes	Passeriformes
Family	Acrocephalidae	Acrocephalidae
Conservation Status	Vulnerable	Vulnerable
Length	—	—
Wingspan	16.4 cm (6.5 in)	11.8 cm (4.6 in)
Weight	24.625 g (0.87 oz)	10.36 g (0.37 oz)
Diet	--	--
Clutch Size	2-3	2-3
Population Trend	—	—

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Habitat Comparison

Shared Habitats

None

Henderson Island Reed-warbler only

🌲 Forest

Papyrus Yellow Warbler only

🌿 Wetland

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Conservation Status

Vulnerable

Henderson Island Reed-warbler

Vulnerable

Papyrus Yellow Warbler

{# ════════════════════════════════════════════════════════════════════════ Identification Tips — How to Tell Them Apart ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ About Each Bird (Descriptions) ════════════════════════════════════════════════════════════════════════ #}

About These Birds

Henderson Island Reed-warbler

The Henderson Island Reed-warbler (<em>Acrocephalus taiti</em>) is a member of the family Acrocephalidae and is endemic to Henderson Island, a raised coral atoll in the Pitcairn Islands group of the South Pacific. It inhabits forest environments on this remote UNESCO World Heritage Site. Detailed plumage and behavioral descriptions of this species are limited in the available literature. It constructs a cup nest (CP), with incubation lasting approximately 15 days, and lays a clutch of 2 to 3 eggs. This species …

Papyrus Yellow Warbler

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