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Side-by-Side Comparison

属性	Purple-backed Sunbeam	Amazilia Hummingbird
学名	Aglaeactis aliciae	Amazilis amazilia
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保护状况	Vulnerable	Least Concern
体长	—	—
翼展	16.2 cm (6.4 in)	—
体重	7.4 g (0.26 oz)	5.066666666666666 g (0.18 oz)
食性	Nectarivore of restricted Peruvian high puna; visits Chuquiraga and cushion-plant flowers. Gleans tiny arthropods.	Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet …
产卵数	--	2
Population Trend	—	—

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Habitat Comparison

共同栖息地

无

Purple-backed Sunbeam only

无

Amazilia Hummingbird only

🌲 Forest 🏜️ Desert 🏖️ Coastal

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Song & Call Comparison

Purple-backed Sunbeam

鸣唱

Sharp, buzzy chip followed by rapid trill; emphatic onset launching into rough cascading notes typical of sunbeam.

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

Purple-backed Sunbeam

Endemic to Peru along the Río Marañón drainage in the arid upper Andes. 2,400–3,800 m. Critically endangered.

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

Vulnerable

Purple-backed Sunbeam

Least Concern

Amazilia Hummingbird

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How to Tell Them Apart

Purple-backed Sunbeam

羽毛

Blue-capped Puffleg: males with brilliant blue cap and gorget; metallic green body; white leg puffs; females green above; spotted

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

Purple-backed Sunbeam

紫背辉蜂鸟（Aglaeactis aliciae），体长12-13厘米，特产于秘鲁北部安第斯山脉一小片区域，海拔2,900至3,700米。属蜂鸟科（Trochilidae），背部具闪光紫色斑块，分布极为局限，受到保护关注。

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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