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Side-by-Side Comparison

属性	Amazilia Hummingbird	Costa's Hummingbird
学名	Amazilis amazilia	Calypte costae
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保护状况	Least Concern	Least Concern
体长	—	—
翼展	—	8.9 cm (3.5 in)
体重	5.066666666666666 g (0.18 oz)	3.4000000000000004 g (0.12 oz)
食性	Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet …	Nectarivore of Mojave Desert scrub, favouring desert lavender and sage. Supplements nectar with insects and …
产卵数	2	2
Population Trend	—	—

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Habitat Comparison

共同栖息地

🏜️ Desert 🏖️ Coastal

Amazilia Hummingbird only

🌲 Forest

Costa's Hummingbird 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.

Costa's Hummingbird

鸣唱

Melodic, flute-like ascending scale; smooth bright notes climbing steadily in cheerful morning territorial delivery.

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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.

Costa's Hummingbird

Found in arid western North America from California to Mexico. Breeds in desert scrub; some populations resident year-round.

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保护状况

Least Concern

Amazilia Hummingbird

Least Concern

Costa's Hummingbird

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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

Costa's Hummingbird

羽毛

Crowned Woodnymph: males with brilliant iridescent violet crown; glittering green gorget; metallic green above; females green; 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。

Costa's Hummingbird

科斯塔蜂鸟，体长8–9厘米，紫色顶冠和喉部，栖息于北美西部干旱地区。

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