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Side-by-Side Comparison

属性	Sword-billed Hummingbird	Blue-tufted Starthroat
学名	Ensifera ensifera	Heliomaster furcifer
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保护状况	Least Concern	Least Concern
体长	—	—
翼展	15.3 cm (6.0 in)	10.8 cm (4.3 in)
体重	12.75 g (0.45 oz)	5.7 g (0.20 oz)
食性	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …	Nectarivore of open Argentine and Bolivian habitats; visits diverse shrub flowers. Catches small insects in …
产卵数	--	2
Population Trend	—	—

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Habitat Comparison

共同栖息地

🌲 Forest 🌾 Grassland

Sword-billed Hummingbird only

无

Blue-tufted 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.

Blue-tufted Starthroat

鸣唱

Buzzy, insect-like trill with rapid modulation; high-frequency buzz sustained briefly then repeated after pause.

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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.

Blue-tufted Starthroat

Found from Bolivia and Brazil south to Argentina and Uruguay in open woodland and scrub. Sea level to 1,500 m.

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保护状况

Least Concern

Sword-billed Hummingbird

Least Concern

Blue-tufted 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

Blue-tufted Starthroat

羽毛

Sparkling-tailed Hummingbird: males with brilliant violet gorget; metallic bronze-green; sparkling tail; 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。

Blue-tufted Starthroat

蓝胡须星蜂鸟分布于南美洲阿根廷、玻利维亚、巴西至特立尼达的干旱和半干旱地带。雄鸟胡须状喉羽蓝色，喙细长。以花蜜为食，栖息于干旱林和稀树草原。在南美洲大陆分布较广。

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