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Side-by-Side Comparison

속성	Rufous-tailed Hummingbird	Sword-billed Hummingbird
학명	Amazilia tzacatl	Ensifera ensifera
목	Caprimulgiformes	Caprimulgiformes
과	Trochilidae	Trochilidae
보전 상태	Least Concern	Least Concern
체장	—	—
날개 폭	11.3 cm (4.4 in)	15.3 cm (6.0 in)
체중	5.04 g (0.18 oz)	12.75 g (0.45 oz)
식성	Common lowland nectarivore of Central America; visits Heliconia, banana, and garden flowers. Supplements with insects …	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …
산란 수	2	--
Population Trend	—	—

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Habitat Comparison

공유 서식지

🌲 Forest

Rufous-tailed Hummingbird only

없음

Sword-billed Hummingbird only

🌾 Grassland

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Song & Call Comparison

Rufous-tailed Hummingbird

노래

Deep, resonant trill with buzzing character; powerful churring vibration carrying across open hillside.

Sword-billed Hummingbird

노래

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

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Geographic Range & Migration

Rufous-tailed Hummingbird

Widely distributed from Mexico through Central America to western Ecuador. Resident in varied lowland habitats.

Sword-billed Hummingbird

Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.

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보전 상태

Least Concern

Rufous-tailed Hummingbird

Least Concern

Sword-billed Hummingbird

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How to Tell Them Apart

Rufous-tailed Hummingbird

깃털

Rufous Coucal: entirely rufous-brown overall; long dark graduated tail; red eye; monochromatic rufous plumage; sexually similar

Sword-billed Hummingbird

깃털

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

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About These Birds

Rufous-tailed Hummingbird

멕시코에서 중앙아메리카를 거쳐 베네수엘라 서부까지 넓게 분포하는 중형 벌새(10~11cm). 메탈릭 초록 윗면과 적갈색 꼬리가 특징이다. 꽃의 꿀과 작은 곤충을 먹는다.

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.

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