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Side-by-Side Comparison

属性	Amazilia Hummingbird	Rufous-shafted Woodstar
学名	Amazilis amazilia	Chaetocercus jourdanii
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保护状况	Least Concern	Least Concern
体长	—	—
翼展	—	7.0 cm (2.8 in)
体重	5.066666666666666 g (0.18 oz)	3.26 g (0.11 oz)
食性	Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet …	Nectarivore of Trinidad and northern South America, hovering at bromeliads and Heliconia. Supplements diet with …
产卵数	2	2
Population Trend	—	—

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Habitat Comparison

共同栖息地

🌲 Forest

Amazilia Hummingbird only

🏜️ Desert 🏖️ Coastal

Rufous-shafted Woodstar only

无

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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.

Rufous-shafted Woodstar

鸣唱

Deep, resonant single note with striking boldness; powerful tone ringing out clearly from exposed prominent perch.

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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.

Rufous-shafted Woodstar

Found in Andean highlands from Venezuela to Trinidad at 500-2,500 m elevation. Resident in montane forest edges and gardens.

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保护状况

Least Concern

Amazilia Hummingbird

Least Concern

Rufous-shafted 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

Rufous-shafted Woodstar

羽毛

Calliope Hummingbird (endemic): tiny; males with glittering magenta gorget; metallic green above; females plain green above; spotted

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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。

Rufous-shafted Woodstar

红喉木星蜂鸟 (Chaetocercus jourdanii)，体长约6厘米。雄鸟喉部辉红色，腹部白色，上体绿色，尾短而分叉。分布于委内瑞拉、特立尼达和哥伦比亚北部。栖息于山地森林和灌木丛。以花蜜为主食。

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