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Side-by-Side Comparison

属性	Sword-billed Hummingbird	Blue-capped Puffleg
学名	Ensifera ensifera	Eriocnemis glaucopoides
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)	10.1 cm (4.0 in)
体重	12.75 g (0.45 oz)	3.75 g (0.13 oz)
食性	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …	Nectarivore of Colombian Andes; fluffy leg tufts show during hover at Ericaceae blooms. Gleans small …
一腹卵数	--	2
Population Trend	—	—

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Habitat Comparison

共通生息地

🌲 Forest 🌾 Grassland

Sword-billed Hummingbird only

None

Blue-capped Puffleg 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.

Blue-capped Puffleg

さえずり

Buzzy, high-pitched trill barely audible; rapid soft vibration with insect-like quality during hovering near blossoms.

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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.

Blue-capped Puffleg

Endemic to Argentina and adjacent Bolivia in high Andean scrub and puna at 2,600–4,200 m elevation.

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保全状況

Least Concern

Sword-billed Hummingbird

Least Concern

Blue-capped 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

Blue-capped Puffleg

羽毛

Velvet-browed Brilliant: males with iridescent purple gorget; velvety black brow; metallic bronze-green above; females green with spots

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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。

Blue-capped Puffleg

ボリビアと北西アルゼンチンに生息するハチドリで、青みがかった冠羽が特徴。

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