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Side-by-Side Comparison

속성	Sword-billed Hummingbird	White-tailed Hummingbird
학명	Ensifera ensifera	Eupherusa poliocerca
목	Caprimulgiformes	Caprimulgiformes
과	Trochilidae	Trochilidae
보전 상태	Least Concern	Near Threatened
체장	—	—
날개 폭	15.3 cm (6.0 in)	12.1 cm (4.8 in)
체중	12.75 g (0.45 oz)	4.625 g (0.16 oz)
식성	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …	Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet …
산란 수	--	2
Population Trend	—	—

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Habitat Comparison

공유 서식지

🌲 Forest

Sword-billed Hummingbird only

🌾 Grassland

White-tailed Hummingbird only

없음

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Song & Call Comparison

Sword-billed Hummingbird

노래

Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.

White-tailed Hummingbird

노래

Harsh, buzzy chatter with emphatic rhythm; coarse rough notes delivered rapidly with raw buzzy texture.

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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-tailed Hummingbird

Endemic to the Sierra Madre del Sur of Guerrero and Oaxaca, Mexico. Classified as Vulnerable due to restricted range.

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보전 상태

Least Concern

Sword-billed Hummingbird

Near Threatened

White-tailed Hummingbird

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How to Tell Them Apart

Sword-billed Hummingbird

깃털

Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots

White-tailed Hummingbird

깃털

Groove-billed Ani: glossy black overall; distinctive grooved bill with ridges; long graduated tail; purple-blue gloss; communal nester

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About These Birds

Sword-billed Hummingbird

칼날부리벌새(14~15cm 몸통)로 부리가 몸통만큼 긴(8~10cm) 놀라운 벌새이다. 콜롬비아와 에콰도르 안데스 고지에 서식. 긴 꽃통 꽃의 꿀을 먹도록 진화했다. 관심필요종.

White-tailed Hummingbird

멕시코 게레로 시에라 마드레 델 수르에 고유한 10~11cm 중형 벌새. 흰 꼬리 깃털. 위기종.

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