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Side-by-Side Comparison

属性	Sword-billed Hummingbird	Long-tailed Woodnymph
学名	Ensifera ensifera	Thalurania watertonii
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保全状況	Least Concern	Endangered
体長	—	—
翼開長	15.3 cm (6.0 in)	10.9 cm (4.3 in)
体重	12.75 g (0.45 oz)	4.3999999999999995 g (0.16 oz)
食性	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …	Feeds on floral nectar in Atlantic Forest understory; supplements diet with small insects and spiders …
一腹卵数	--	2
Population Trend	—	—

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Habitat Comparison

共通生息地

🌲 Forest

Sword-billed Hummingbird only

🌾 Grassland

Long-tailed Woodnymph 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.

Long-tailed Woodnymph

さえずり

Soft, sibilant notes in flowing sequence; gentle high twittering with airy quality near flowering vegetation.

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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.

Long-tailed Woodnymph

Endemic to the Atlantic Forest of northeastern Brazil. Classified as Endangered due to severe habitat fragmentation.

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保全状況

Least Concern

Sword-billed Hummingbird

Endangered

Long-tailed Woodnymph

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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

Long-tailed Woodnymph

羽毛

Savile's Bustard: pale brown above; white underparts; black crown; pale streaked mantle; males with dark collar; sexually dimorphic

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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。

Long-tailed Woodnymph

ロングテールウッドニンフはブラジル北東部の固有種で、絶滅危惧種に指定されています。雄は特徴的に長い尾羽を持ちます。

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