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Side-by-Side Comparison

属性	Blue-tailed Emerald	Golden-bellied Starfrontlet
学名	Chlorostilbon mellisugus	Coeligena bonapartei
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保护状况	Least Concern	Least Concern
体长	—	—
翼展	9.0 cm (3.5 in)	15.0 cm (5.9 in)
体重	2.6466666666666665 g (0.09 oz)	6.800000000000001 g (0.24 oz)
食性	Nectarivore visiting diverse flowering plants; supplements the high-sugar nectar diet with small insects and spiders …	Nectarivore of Colombian and Venezuelan cloud forest; forages at Ericaceae and Clusia. Takes small insects …
产卵数	2	2
Population Trend	—	—

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Habitat Comparison

共同栖息地

🌲 Forest

Blue-tailed Emerald only

无

Golden-bellied Starfrontlet only

无

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Song & Call Comparison

Blue-tailed Emerald

鸣唱

Pure, flute-like descending scale; smooth melodic phrase moving cleanly through several notes, warm in timbre.

Golden-bellied Starfrontlet

鸣唱

High, crystalline twittering with silvery sheen; rapid light notes cascading brightly in active display sequences.

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Geographic Range & Migration

Blue-tailed Emerald

Widely distributed from Colombia and Venezuela through the Guianas to Trinidad and Tobago. Resident in varied lowland habitats.

Golden-bellied Starfrontlet

Found in cloud forest of the eastern Andes of Colombia and western Venezuela at 1,800–2,800 m.

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保护状况

Least Concern

Blue-tailed Emerald

Least Concern

Golden-bellied Starfrontlet

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How to Tell Them Apart

Blue-tailed Emerald

羽毛

White-throated Hummingbird: males with brilliant green gorget; metallic green above; white throat; females green above; spotted below

Golden-bellied Starfrontlet

羽毛

Green-headed Hillstar: males with glittering green head; metallic green above; white underparts; females green above; spotted buff below

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About These Birds

Blue-tailed Emerald

蓝尾翠蜂鸟(Chlorostilbon mellisugus)是一种体长7-8厘米、广泛分布的小型蜂鸟，分布范围从哥伦比亚、委内瑞拉经圭亚那延伸至特立尼达。雄鸟背部翠绿色，尾羽蓝色。以花蜜为食，常见于开阔林地和花园中。

Golden-bellied Starfrontlet

金腹星额蜂鸟(Coeligena bonapartei)是一种体长13-14厘米的中型蜂鸟，分布于委内瑞拉至哥伦比亚海拔1800-3200米的安第斯云雾林。雄鸟具有金色腹部和彩虹色星状前额斑块。以花蜜为食。

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