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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
保全状況	Least Concern	Least Concern
体長	—	—
翼開長	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 …
一腹卵数	--	2
Population Trend	—	—

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Habitat Comparison

共通生息地

🌲 Forest

Sword-billed Hummingbird only

🌾 Grassland

Black-bellied Hummingbird only

None

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Song & Call Comparison

Sword-billed Hummingbird

さえずり

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

Black-bellied Hummingbird

さえずり

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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保全状況

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

アンデスの雲霧林に生息するハチドリで、体と同じ長さの嘴を持つ。自然界で嘴が最も長い鳥の一つ。

Black-bellied Hummingbird

コスタリカと西パナマに生息するハチドリで、黒い腹部が特徴。

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