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Side-by-Side Comparison

属性	Rufous-tailed Hummingbird	Amazilia Hummingbird
学名	Amazilia tzacatl	Amazilis amazilia
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保护状况	Least Concern	Least Concern
体长	—	—
翼展	11.3 cm (4.4 in)	—
体重	5.04 g (0.18 oz)	5.066666666666666 g (0.18 oz)
食性	Common lowland nectarivore of Central America; visits Heliconia, banana, and garden flowers. Supplements with insects …	Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet …
产卵数	2	2
Population Trend	—	—

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Habitat Comparison

共同栖息地

🌲 Forest

Rufous-tailed Hummingbird only

无

Amazilia Hummingbird only

🏜️ Desert 🏖️ Coastal

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Song & Call Comparison

Rufous-tailed Hummingbird

鸣唱

Deep, resonant trill with buzzing character; powerful churring vibration carrying across open hillside.

Amazilia Hummingbird

鸣唱

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

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Geographic Range & Migration

Rufous-tailed Hummingbird

Widely distributed from Mexico through Central America to western Ecuador. Resident in varied lowland habitats.

Amazilia Hummingbird

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

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保护状况

Least Concern

Rufous-tailed Hummingbird

Least Concern

Amazilia Hummingbird

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How to Tell Them Apart

Rufous-tailed Hummingbird

羽毛

Rufous Coucal: entirely rufous-brown overall; long dark graduated tail; red eye; monochromatic rufous plumage; sexually similar

Amazilia Hummingbird

羽毛

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

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About These Birds

Rufous-tailed Hummingbird

棕尾蜂鸟（Amazilia tzacatl），体长10-11厘米，广泛分布于从墨西哥经中美洲至哥伦比亚和委内瑞拉西部。属蜂鸟科（Trochilidae），尾羽棕色，是中美洲最常见的蜂鸟之一。

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。

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