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Side-by-Side Comparison

属性	Amazilia Hummingbird	Santa Marta Woodstar
学名	Amazilis amazilia	Chaetocercus astreans
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保护状况	Least Concern	Least Concern
体长	—	—
翼展	—	6.7 cm (2.6 in)
体重	5.066666666666666 g (0.18 oz)	2.605 g (0.09 oz)
食性	Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet …	Endemic to the Sierra Nevada de Santa Marta; feeds on highland floral nectar and supplements …
产卵数	2	--
Population Trend	—	—

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Habitat Comparison

共同栖息地

🌲 Forest

Amazilia Hummingbird only

🏜️ Desert 🏖️ Coastal

Santa Marta Woodstar only

🌾 Grassland

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Song & Call Comparison

Amazilia Hummingbird

鸣唱

Buzzy, high-pitched trill with insect-like quality; rapid sustained vibration barely distinguishable from insects.

Santa Marta Woodstar

鸣唱

Rapid, mechanical clicking trill; quick even staccato notes in steady dry rhythm throughout active day.

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Geographic Range & Migration

Amazilia Hummingbird

Found in arid coastal lowlands of western Peru and Ecuador. Resident in desert scrub and river valleys.

Santa Marta Woodstar

Endemic to the Sierra Nevada de Santa Marta, Colombia, at 1,200-3,000 m elevation. Found nowhere else in the world.

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保护状况

Least Concern

Amazilia Hummingbird

Least Concern

Santa Marta Woodstar

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How to Tell Them Apart

Amazilia Hummingbird

羽毛

Coucal (Celebes): dark glossy black above; rufous wings; pale buff below; long dark tail; red eye; Sulawesi island endemic coucal

Santa Marta Woodstar

羽毛

Bahama Woodstar (alt): tiny; males with glittering magenta-rose gorget; metallic green above; white underparts; females spotted below

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About These Birds

Amazilia Hummingbird

秘鲁蜂鸟（Amazilis amazilia），体长9-10厘米，分布于秘鲁和厄瓜多尔西部干燥沿海低地。体羽绿色，下体浅色。属蜂鸟科（Trochilidae），是南美洲西部海岸的特有种。

Santa Marta Woodstar

圣玛尔塔木星蜂鸟 (Chaetocercus astreans)，体长约6厘米。雄鸟喉部辉紫色，其余体羽绿色，尾羽细而分叉。特有于哥伦比亚圣玛尔塔山脉的高海拔山地。以花蜜为主食，悬停采蜜。为受威胁物种。

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