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Side-by-Side Comparison

属性	Sword-billed Hummingbird	White-tipped Sicklebill
学名	Ensifera ensifera	Eutoxeres aquila
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)	14.1 cm (5.6 in)
体重	12.75 g (0.45 oz)	11.366666666666667 g (0.40 oz)
食性	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …	Feeds on floral nectar and small invertebrates; males defend nectar-rich territories against other hummingbirds.
一腹卵数	--	2
Population Trend	—	—

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Habitat Comparison

共通生息地

🌲 Forest

Sword-billed Hummingbird only

🌾 Grassland

White-tipped Sicklebill 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.

White-tipped Sicklebill

さえずり

Rapid, sibilant twittering; light, feathery notes cascading quickly with barely perceptible pauses between loose phrases.

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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.

White-tipped Sicklebill

Found in humid forests from Costa Rica south through Panama to western Ecuador. Resident at 200–1,600 m in dense undergrowth with Heliconia.

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保全状況

Least Concern

Sword-billed Hummingbird

Least Concern

White-tipped Sicklebill

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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

White-tipped Sicklebill

羽毛

Dark brown and buff striped underparts; green-bronze upperparts; white-tipped tail feathers; extremely curved sickle-shaped bill; sexes similar; Andean heliconia specialist with diagnostic strongly decurved bill and boldly streaked underparts.

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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。

White-tipped Sicklebill

コスタリカからペルーにかけて分布するハチドリで、劇的に下に曲がった嘴が特徴。ヘリコニアの花に特化している。

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