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Side-by-Side Comparison

属性	Sword-billed Hummingbird	Coppery-headed Emerald
学名	Ensifera ensifera	Microchera cupreiceps
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)	—
体重	12.75 g (0.45 oz)	3.15 g (0.11 oz)
食性	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …	Feeds on nectar from diverse forest flowers, hovering briefly at each bloom. Takes small insects …
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

Coppery-headed Emerald 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.

Coppery-headed Emerald

さえずり

Rough, grating buzz with coarse texture; harsh sustained vibration carrying across open scrubby hillside.

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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.

Coppery-headed Emerald

Endemic to the highlands of Costa Rica at 700-1,600 m. Classified as Near Threatened. A Costa Rican endemic.

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保全状況

Least Concern

Sword-billed Hummingbird

Least Concern

Coppery-headed Emerald

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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

Coppery-headed Emerald

羽毛

Little Brown Bustard: brown-vermiculated above; pale buff below; white wing patches; short streaked crest; sexually similar plumage

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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。

Coppery-headed Emerald

コスタリカ固有のコッパーヘッドドハミングバード。体長7〜8cm。雄の銅色の頭部が特徴的な小型ハチドリ。コスタリカの限られた山地に生息。絶滅危惧種。

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