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Side-by-Side Comparison

คุณสมบัติ	Biak Leaf-warbler	Alström's Warbler
ชื่อวิทยาศาสตร์	Phylloscopus misoriensis	Phylloscopus soror
อันดับ	Passeriformes	Passeriformes
วงศ์ตระกูล	Phylloscopidae	Phylloscopidae
สถานะการอนุรักษ์	Near Threatened	Least Concern
ความยาว	—	—
กว้างปีก	10.6 cm (4.2 in)	11.1 cm (4.4 in)
น้ำหนัก	10.8 g (0.38 oz)	8.05 g (0.28 oz)
อาหาร	--	--
จำนวนไข่	--	--
Population Trend	—	—

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Habitat Comparison

ถิ่นที่อยู่อาศัยร่วมกัน

🌲 Forest

Biak Leaf-warbler only

ไม่มี

Alström's Warbler only

🏖️ Coastal

{# ════════════════════════════════════════════════════════════════════════ Song & Call Comparison ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ Geographic Range & Migration ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ Conservation Status Comparison ════════════════════════════════════════════════════════════════════════ #}

สถานะการอนุรักษ์

Near Threatened

Biak Leaf-warbler

Least Concern

Alström's Warbler

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

About These Birds

Biak Leaf-warbler

The Biak Leaf-warbler is a near-threatened, small warbler endemic to Biak Island in western New Guinea. It has greenish-olive upperparts and yellowish underparts typical of leaf-warblers in its genus. It forages actively in the forest canopy for insects, gleaning them from leaves, and its small island range makes it inherently vulnerable.

Alström's Warbler

Alström's Warbler is a tiny leaf warbler weighing just 8 g with a short 11.1 cm wingspan, found in dense forest undergrowth. It gleans insects from foliage with quick, restless movements typical of its family Phylloscopidae.

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