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Side-by-Side Comparison

属性	Sword-billed Hummingbird	Black-breasted Puffleg
学名	Ensifera ensifera	Eriocnemis nigrivestis
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保全状況	Least Concern	Endangered
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)	4.449999999999999 g (0.16 oz)
食性	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …	Nectarivore of Andean montane Ericaceae and epiphyte flowers; fluffy leg puffs visible during hover. Gleans …
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

Black-breasted 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.

Black-breasted Puffleg

さえずり

Soft, sustained hum barely audible; extremely faint low-frequency sound audible only at very close range.

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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-breasted Puffleg

Endemic to the western Andes of Ecuador, primarily the Pichincha and Imbabura regions. 2,800–3,600 m. Critically endangered.

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保全状況

Least Concern

Sword-billed Hummingbird

Endangered

Black-breasted 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

Black-breasted Puffleg

羽毛

Violet-fronted Brilliant: males with glittering violet forehead; metallic green above; white belly; females green above; 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。

Black-breasted Puffleg

エクアドル産のハチドリで、黒い胸部が特徴。個体数が250羽未満の絶滅危惧種IA類。

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