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Side-by-Side Comparison

属性	Black-billed Cuckoo	Guira Cuckoo
学名	Coccyzus erythropthalmus	Guira guira
目	Cuculiformes	Cuculiformes
科	Cuculidae	Cuculidae
保护状况	Least Concern	Least Concern
体长	—	—
翼展	27.4 cm (10.8 in)	34.7 cm (13.7 in)
体重	53.20000000000001 g (1.88 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	2-5	--
Population Trend	—	—

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Habitat Comparison

共同栖息地

无

Black-billed Cuckoo only

🌲 Forest

Guira Cuckoo only

🌾 Grassland 🏖️ Coastal

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Song & Call Comparison

Black-billed Cuckoo

鸣唱

Loud, far-carrying resonant call; deep notes audible across dense forest in Asia. Vocalization pattern typical of this species in its native habitat.

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 Cuckoo

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

Least Concern

Black-billed Cuckoo

Least Concern

Guira Cuckoo

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How to Tell Them Apart

Black-billed Cuckoo

羽毛

Gray-capped Cuckoo: gray cap; brown above; pale below; graduated dark tail; South American species; forest 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 Cuckoo

黑嘴杜鹃(Coccyzus erythropthalmus)体长26-31厘米。上体褐色；下体白色；全黑色喙；细红色眼眶环。繁殖于北美洲，迁徙至南美洲越冬。以毛虫、蚱蜢和其他昆虫为食，是重要的森林益鸟。

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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