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Side-by-Side Comparison

속성	Purple-backed Sunbeam	Sword-billed Hummingbird
학명	Aglaeactis aliciae	Ensifera ensifera
목	Caprimulgiformes	Caprimulgiformes
과	Trochilidae	Trochilidae
보전 상태	Vulnerable	Least Concern
체장	—	—
날개 폭	16.2 cm (6.4 in)	15.3 cm (6.0 in)
체중	7.4 g (0.26 oz)	12.75 g (0.45 oz)
식성	Nectarivore of restricted Peruvian high puna; visits Chuquiraga and cushion-plant flowers. Gleans tiny arthropods.	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …
산란 수	--	--
Population Trend	—	—

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Habitat Comparison

공유 서식지

없음

Purple-backed Sunbeam only

없음

Sword-billed Hummingbird only

🌲 Forest 🌾 Grassland

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Song & Call Comparison

Purple-backed Sunbeam

노래

Sharp, buzzy chip followed by rapid trill; emphatic onset launching into rough cascading notes typical of sunbeam.

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

Purple-backed Sunbeam

Endemic to Peru along the Río Marañón drainage in the arid upper Andes. 2,400–3,800 m. Critically endangered.

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

Vulnerable

Purple-backed Sunbeam

Least Concern

Sword-billed Hummingbird

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How to Tell Them Apart

Purple-backed Sunbeam

깃털

Blue-capped Puffleg: males with brilliant blue cap and gorget; metallic green body; white leg puffs; females green above; spotted

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

Purple-backed Sunbeam

페루 북부 안데스 해발 2,900~3,600m의 좁은 지역에 고유하게 서식하는 중형 벌새(12~13cm). 수컷은 독특한 자주색-분홍색 등 반점이 있다. 멸종 위기종.

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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