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Side-by-Side Comparison

属性	White-vented Violetear	Sword-billed Hummingbird
学名	Colibri serrirostris	Ensifera ensifera
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保护状况	Least Concern	Least Concern
体长	—	—
翼展	13.6 cm (5.4 in)	15.3 cm (6.0 in)
体重	6.199999999999999 g (0.22 oz)	12.75 g (0.45 oz)
食性	Nectarivore of highland and lowland forest margins. Feeds on diverse tubular flowers and catches flying …	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …
产卵数	1-2	--
Population Trend	—	—

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Habitat Comparison

共同栖息地

🌾 Grassland

White-vented Violetear only

无

Sword-billed Hummingbird only

🌲 Forest

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Song & Call Comparison

White-vented Violetear

鸣唱

Sharp, emphatic squeak repeated quickly; tiny piercing notes delivered insistently during competitive encounters near feeders.

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

White-vented Violetear

Found in cerrado, chaco, and open woodland of central and southern Brazil, Bolivia, and Paraguay. 200–1,200 m elevation.

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

White-vented Violetear

Least Concern

Sword-billed Hummingbird

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How to Tell Them Apart

White-vented Violetear

羽毛

Coppery Emerald: iridescent bronze-green with coppery rump; violet-blue gorget; white belly patch; rufous flanks; females plain below

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

White-vented Violetear

白臀紫耳蜂鸟(Colibri serrirostris)是一种体长11-12厘米的中型蜂鸟，具有绿色羽毛、紫色耳斑和独特的白色臀部。分布于巴西中部、玻利维亚东部和阿根廷北部的塞拉多草原。以花蜜为食。

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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