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Side-by-Side Comparison

属性	Sword-billed Hummingbird	Chilean Woodstar
学名	Ensifera ensifera	Eulidia yarrellii
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保护状况	Least Concern	Critically Endangered
体长	—	—
翼展	15.3 cm (6.0 in)	6.6 cm (2.6 in)
体重	12.75 g (0.45 oz)	2.38 g (0.08 oz)
食性	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …	Nectar specialist of arid Atacama valleys, visiting cacti and Nicotiana. Supplements diet with small insects …
产卵数	--	--
Population Trend	—	—

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Habitat Comparison

共同栖息地

无

Sword-billed Hummingbird only

🌲 Forest 🌾 Grassland

Chilean Woodstar 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.

Chilean Woodstar

鸣唱

Buzzy, high-pitched trill with insect-like quality; sustained rapid vibration with minimal melodic content.

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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.

Chilean Woodstar

Endemic to the hyper-arid coast of northern Chile from Arica to Antofagasta. Critically Endangered with fewer than 400 individuals.

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保护状况

Least Concern

Sword-billed Hummingbird

Critically Endangered

Chilean Woodstar

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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

Chilean Woodstar

羽毛

Slender Sheartail: males with glittering violet gorget; metallic green above; elongated outer tail; females green above; spotted below

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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。

Chilean Woodstar

智利木星蜂鸟，体长7-8厘米。喉部紫色，尾羽分叉。智利极干旱阿塔卡马海岸特有种。极危，个体数不足400只。

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