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Side-by-Side Comparison

属性	Mangrove Hummingbird	Sword-billed Hummingbird
学名	Amazilia boucardi	Ensifera ensifera
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保护状况	Endangered	Least Concern
体长	—	—
翼展	10.9 cm (4.3 in)	15.3 cm (6.0 in)
体重	4.5 g (0.16 oz)	12.75 g (0.45 oz)
食性	Critically endangered; feeds on mangrove flowers in Costa Rica and supplements with small insects and …	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …
产卵数	2	--
Population Trend	—	—

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Habitat Comparison

共同栖息地

🌲 Forest

Mangrove Hummingbird only

🏖️ Coastal

Sword-billed Hummingbird only

🌾 Grassland

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Song & Call Comparison

Mangrove Hummingbird

鸣唱

Rich, melodic churring with complex cadence; warm resonant notes building in deliberate sequence near mangroves.

Sword-billed Hummingbird

鸣唱

Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.

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Geographic Range & Migration

Mangrove Hummingbird

Endemic to the Pacific coast of Costa Rica, restricted to mangrove forests. Classified as Endangered.

Sword-billed Hummingbird

Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.

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保护状况

Endangered

Mangrove Hummingbird

Least Concern

Sword-billed Hummingbird

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How to Tell Them Apart

Mangrove Hummingbird

羽毛

Coppery-tailed Coucal: dark brown above; rufous wings; pale below; coppery-glossed tail; red eye; tail iridescence distinctive

Sword-billed Hummingbird

羽毛

Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots

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About These Birds

Mangrove Hummingbird

沼地蜂鸟（Amazilia boucardi），体长10-11厘米，特产于哥斯达黎加太平洋沿岸，局限分布于红树林生境。属蜂鸟科（Trochilidae），是全球分布最局限的蜂鸟之一，濒危物种，红树林的破坏对其构成严重威胁。

Sword-billed Hummingbird

剑嘴蜂鸟。嘴与身体等长（8-10厘米）。栖息于安第斯云雾林。专门取食深处的西番莲花蜜。

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