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Side-by-Side Comparison

属性	Sword-billed Hummingbird	Buff-thighed Puffleg
学名	Ensifera ensifera	Haplophaedia assimilis
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)	11.4 cm (4.5 in)
体重	12.75 g (0.45 oz)	5.05 g (0.18 oz)
食性	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …	Nectarivore of Peruvian montane forest; forages at Ericaceae and bromeliads. Supplements diet with small arthropods.
一腹卵数	--	2
Population Trend	—	—

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Habitat Comparison

共通生息地

🌲 Forest

Sword-billed Hummingbird only

🌾 Grassland

Buff-thighed 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.

Buff-thighed Puffleg

さえずり

Melodic, two-note descending call; pure warm tones stepping down smoothly, given at regular intervals from perch.

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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.

Buff-thighed Puffleg

Found on the eastern Andean slope in Peru in lower montane and foothill forest. 600–2,200 m elevation.

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保全状況

Least Concern

Sword-billed Hummingbird

Least Concern

Buff-thighed 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

Buff-thighed Puffleg

羽毛

Brown Violetear: males with glittering violet gorget; metallic bronze-green above; violet ear tufts; females green with spotted below

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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。

Buff-thighed Puffleg

ペルーからボリビアにかけてのアンデス山地林（標高1,000〜2,500 m）に生息する小型ハチドリ（体長10〜11 cm）。緑色の羽衣とバフ色の脚の羽毛が特徴。山地林の下層・林縁の蜜食性。ミドリフサアシハチドリに近縁。アンデス山麓の専門種。

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