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Side-by-Side Comparison

属性	Sword-billed Hummingbird	Plain-capped Starthroat
学名	Ensifera ensifera	Heliomaster constantii
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保护状况	Least Concern	Least Concern
体长	—	—
翼展	15.3 cm (6.0 in)	12.5 cm (4.9 in)
体重	12.75 g (0.45 oz)	7.375 g (0.26 oz)
食性	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …	Nectarivore of Mexican and Central American dry and semi-open habitats. Visits large flowers; catches insects …
产卵数	--	--
Population Trend	—	—

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Habitat Comparison

共同栖息地

🌲 Forest

Sword-billed Hummingbird only

🌾 Grassland

Plain-capped Starthroat only

无

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Song & Call Comparison

Sword-billed Hummingbird

鸣唱

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

Plain-capped Starthroat

鸣唱

High, thin twittering barely audible; delicate cascade of minute notes, poorly documented vocal repertoire.

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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.

Plain-capped Starthroat

Found from northwestern Mexico south through Central America to northwestern Costa Rica in dry forest. Sea level to 1,800 m.

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保护状况

Least Concern

Sword-billed Hummingbird

Least Concern

Plain-capped Starthroat

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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

Plain-capped Starthroat

羽毛

Peruvian Sheartail (alt): males with glittering violet gorget; metallic green above; white underparts; females green above; spotted

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About These Birds

Sword-billed Hummingbird

剑嘴蜂鸟。嘴与身体等长（8-10厘米）。栖息于安第斯云雾林。专门取食深处的西番莲花蜜。

Plain-capped Starthroat

普通星蜂鸟分布于墨西哥至哥斯达黎加的中美洲干旱林和开阔地带。雄鸟喉部具闪光紫色，体型较大，喙长直。以花蜜为主食，常在高大的花序上觅食。雄鸟有高调的求偶展示，鸣声响亮。

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