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Side-by-Side Comparison

属性	Green-tailed Emerald	Sword-billed Hummingbird
学名	Chlorostilbon alice	Ensifera ensifera
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保护状况	Least Concern	Least Concern
体长	—	—
翼展	—	15.3 cm (6.0 in)
体重	3.5 g (0.12 oz)	12.75 g (0.45 oz)
食性	Nectarivore of Venezuelan dry scrub, hovering at low shrub blooms. Catches gnats and spiders to …	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …
产卵数	2	--
Population Trend	—	—

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Habitat Comparison

共同栖息地

🌲 Forest

Green-tailed Emerald only

无

Sword-billed Hummingbird only

🌾 Grassland

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Song & Call Comparison

Green-tailed Emerald

鸣唱

Buzzy, sustained trill with insect-like quality; continuous high-frequency vibration with rapid amplitude modulation.

Sword-billed Hummingbird

鸣唱

Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.

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Geographic Range & Migration

Green-tailed Emerald

Found in montane regions of Venezuela at 500-2,000 m elevation. A Venezuelan endemic or near-endemic.

Sword-billed Hummingbird

Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.

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保护状况

Least Concern

Green-tailed Emerald

Least Concern

Sword-billed Hummingbird

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How to Tell Them Apart

Green-tailed Emerald

羽毛

Elliot's Hummingbird (Elliotomyia): males with iridescent violet gorget; metallic green above; white underparts; females green; spots

Sword-billed Hummingbird

羽毛

Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots

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About These Birds

Green-tailed Emerald

委内瑞拉翠蜂鸟 (Chlorostilbon alice)，体长约9厘米。雄鸟体羽闪亮翠绿色，尾叉形深蓝色；雌鸟下体灰白色，有淡色眉纹。特有于委内瑞拉北部的山地灌丛和林缘。以花蜜为主食，也捕食小型昆虫。

Sword-billed Hummingbird

剑嘴蜂鸟。嘴与身体等长（8-10厘米）。栖息于安第斯云雾林。专门取食深处的西番莲花蜜。

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