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Side-by-Side Comparison

属性	Black-billed Koel	Guira Cuckoo
学名	Eudynamys melanorhynchus	Guira guira
目	Cuculiformes	Cuculiformes
科	Cuculidae	Cuculidae
保护状况	Not Evaluated	Least Concern
体长	—	—
翼展	—	34.7 cm (13.7 in)
体重	199.875 g (7.05 oz)	141.73333333333335 g (5.00 oz)
食性	--	Omnivore of open South American country; eats large insects, small frogs, lizards, and bird eggs. …
产卵数	--	--
Population Trend	—	—

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Habitat Comparison

共同栖息地

🏖️ Coastal

Black-billed Koel only

🌲 Forest

Guira Cuckoo only

🌾 Grassland

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Song & Call Comparison

Black-billed Koel

鸣唱

Loud, resonant call with musical quality; rich carrying notes given from tall forest tree in Borneo.

Guira Cuckoo

鸣唱

Loud, gurgling call with hollow quality; distinctive multi-tonal sound carrying across open African savanna.

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Geographic Range & Migration

Black-billed Koel

Guira Cuckoo

Found in open habitats across South America east of the Andes from Brazil to Argentina. Resident and gregarious.

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保护状况

Not Evaluated

Black-billed Koel

Least Concern

Guira Cuckoo

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How to Tell Them Apart

Black-billed Koel

羽毛

Golden Bronze-cuckoo: golden-bronze iridescence; white barred underparts; golden-green head; bronze sheen; small Pacific cuckoo

Guira Cuckoo

羽毛

Broad-billed Bronze-cuckoo: bronze-green above; broadly barred white below; wide bars; reddish eye; Australian bronze cuckoo

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About These Birds

Black-billed Koel

黑嘴噪鹃，体长38-44厘米。雄鸟全身黑亮，嘴黑色。苏拉威西和苏拉群岛特有种。巢寄生性。

Guira Cuckoo

圭拉鹃是南美洲特有的杜鹃科鸟类，广泛分布于巴西、阿根廷等地的开阔地带。体色棕褐，具醒目的冠羽，尾羽宽大。与其他杜鹃不同，圭拉鹃以群体方式生活，共同育雏。杂食性，以昆虫、小型脊椎动物为主食。

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