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Side-by-Side Comparison

属性	Sword-billed Hummingbird	Sapphire-vented Puffleg
学名	Ensifera ensifera	Eriocnemis luciani
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保护状况	Least Concern	Least Concern
体长	—	—
翼展	15.3 cm (6.0 in)	14.3 cm (5.6 in)
体重	12.75 g (0.45 oz)	6.050000000000001 g (0.21 oz)
食性	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …	Nectarivore of Ecuadorian and Peruvian Ericaceae-rich cloud forest. Catches small arthropods from mossy bark near …
产卵数	--	2
Population Trend	—	—

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Habitat Comparison

共同栖息地

🌲 Forest 🌾 Grassland

Sword-billed Hummingbird only

无

Sapphire-vented Puffleg only

无

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Song & Call Comparison

Sword-billed Hummingbird

鸣唱

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

Sapphire-vented Puffleg

鸣唱

Melodic, descending whistle with clear timbre; smooth pure tones stepping downward gracefully in high-altitude morning.

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Geographic Range & Migration

Sword-billed Hummingbird

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

Sapphire-vented Puffleg

Widespread in high Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 2,400–4,200 m.

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保护状况

Least Concern

Sword-billed Hummingbird

Least Concern

Sapphire-vented Puffleg

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How to Tell Them Apart

Sword-billed Hummingbird

羽毛

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

Sapphire-vented Puffleg

羽毛

Rufous-webbed Brilliant: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted

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About These Birds

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。

Sapphire-vented Puffleg

蓝宝石腹毛腿蜂鸟，体长11-12厘米。分布于哥伦比亚至玻利维亚，海拔2500-3800米。沿安第斯山常见。

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