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Side-by-Side Comparison

属性	Sword-billed Hummingbird	Black-bellied Hummingbird
学名	Ensifera ensifera	Eupherusa nigriventris
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保护状况	Least Concern	Least Concern
体长	—	—
翼展	15.3 cm (6.0 in)	9.4 cm (3.7 in)
体重	12.75 g (0.45 oz)	3.3200000000000003 g (0.12 oz)
食性	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …	Feeds on nectar from diverse forest flowers, hovering briefly at each bloom. Takes small insects …
产卵数	--	2
Population Trend	—	—

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Habitat Comparison

共同栖息地

🌲 Forest

Sword-billed Hummingbird only

🌾 Grassland

Black-bellied Hummingbird 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.

Black-bellied Hummingbird

鸣唱

Soft, high-pitched twittering barely audible; delicate minute notes cascading gently near flowering canopy.

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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.

Black-bellied Hummingbird

Found in humid forests of Costa Rica and western Panama at 700-1,800 m. Resident in cloud forest undergrowth.

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保护状况

Least Concern

Sword-billed Hummingbird

Least Concern

Black-bellied Hummingbird

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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

Black-bellied Hummingbird

羽毛

Pavonine Cuckoo: dark iridescent blue-green above; rufous underparts; pale supercilium; long blue-green tail; peacock-eye tail pattern

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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。

Black-bellied Hummingbird

黑腹叶绿蜂鸟，体长9-10厘米。分布于哥斯达黎加和巴拿马西部。腹部黑色。

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More Birds to Explore

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