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Side-by-Side Comparison

属性	Mangrove Hummingbird	Golden-bellied Starfrontlet
学名	Amazilia boucardi	Coeligena bonapartei
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保护状况	Endangered	Least Concern
体长	—	—
翼展	10.9 cm (4.3 in)	15.0 cm (5.9 in)
体重	4.5 g (0.16 oz)	6.800000000000001 g (0.24 oz)
食性	Critically endangered; feeds on mangrove flowers in Costa Rica and supplements with small insects and …	Nectarivore of Colombian and Venezuelan cloud forest; forages at Ericaceae and Clusia. Takes small insects …
产卵数	2	2
Population Trend	—	—

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Habitat Comparison

共同栖息地

🌲 Forest

Mangrove Hummingbird only

🏖️ Coastal

Golden-bellied Starfrontlet only

无

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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.

Golden-bellied Starfrontlet

鸣唱

High, crystalline twittering with silvery sheen; rapid light notes cascading brightly in active display sequences.

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Geographic Range & Migration

Mangrove Hummingbird

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

Golden-bellied Starfrontlet

Found in cloud forest of the eastern Andes of Colombia and western Venezuela at 1,800–2,800 m.

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保护状况

Endangered

Mangrove Hummingbird

Least Concern

Golden-bellied Starfrontlet

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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

Golden-bellied Starfrontlet

羽毛

Green-headed Hillstar: males with glittering green head; metallic green above; white underparts; females green above; spotted buff below

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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。

Golden-bellied Starfrontlet

金腹星额蜂鸟(Coeligena bonapartei)是一种体长13-14厘米的中型蜂鸟，分布于委内瑞拉至哥伦比亚海拔1800-3200米的安第斯云雾林。雄鸟具有金色腹部和彩虹色星状前额斑块。以花蜜为食。

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