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Side-by-Side Comparison

属性	Sword-billed Hummingbird	Violet-throated Metaltail
学名	Ensifera ensifera	Metallura baroni
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保全状況	Least Concern	Vulnerable
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)	4.4 g (0.16 oz)
食性	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …	Nectarivore of Ecuadorian treeline vegetation; specialized for Ericaceae blooms above 3000 m. Catches small arthropods.
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

Violet-throated Metaltail 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.

Violet-throated Metaltail

さえずり

Melodic, flute-like phrase with clear quality; smooth notes flowing pleasantly in quiet sequence at forest edge.

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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.

Violet-throated Metaltail

Endemic to a tiny area in the Cajas plateau region of southwestern Ecuador. 3,000–4,200 m. Critically endangered.

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保全状況

Least Concern

Sword-billed Hummingbird

Vulnerable

Violet-throated Metaltail

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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

Violet-throated Metaltail

羽毛

Green-throated Mountain-gem: males with glittering green gorget; metallic green above; white underparts; females green above; spotted

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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。

Violet-throated Metaltail

エクアドルの限られた高地にのみ生息するビリジアンメタルテイルハチドリ。体長9〜11cm。雄の輝く緑色の羽毛が特徴的。高山の花の蜜を主食とする。絶滅危惧種。

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