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Side-by-Side Comparison

属性	Western Koel	Greater Roadrunner
学名	Eudynamys scolopaceus	Geococcyx californianus
目	Cuculiformes	Cuculiformes
科	Cuculidae	Cuculidae
保护状况	Least Concern	Least Concern
体长	—	—
翼展	39.3 cm (15.5 in)	36.2 cm (14.3 in)
体重	230.0 g (8.11 oz)	338.0 g (11.92 oz)
食性	--	--
产卵数	2-3	2-6
Population Trend	—	—

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Habitat Comparison

共同栖息地

无

Western Koel only

🌲 Forest

Greater Roadrunner only

无

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Song & Call Comparison

Western Koel

鸣唱

Loud, far-carrying nasal call; distinctive penetrating notes audible through dense tropical forest. Vocalization pattern typical of this species in its native habitat.

Greater Roadrunner

鸣唱

Loud, far-carrying call; distinctive resonant notes audible across open terrain with remarkable carrying power.

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保护状况

Least Concern

Western Koel

Least Concern

Greater Roadrunner

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How to Tell Them Apart

Western Koel

羽毛

Shining Bronze-cuckoo: brilliant iridescent golden-green above; white barred below; bronze-green head; reddish eye; small size

Greater Roadrunner

羽毛

Lesser Roadrunner: brown-streaked above; white-buff below; long streaked tail; shaggy short crest; blue-red facial skin; small roadrunner

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About These Birds

Western Koel

西方噪鹃，体长39-46厘米。雄鸟全身黑亮，眼红色。分布于南亚至东南亚大陆。巢寄生性。

Greater Roadrunner

Greater Roadrunner (Geococcyx californianus) — 52–62 cm. Streaked brown-and-white; erectile crest; bare red-and-blue post-ocular patch; long tail. Inhabits deserts and chaparral of the southwestern USA and Mexico. Non-parasitic; carnivorous — eats rattlesnakes, lizards, scorpions, and birds. Runs up to 32 km/h; iconic bird of the Sonoran Desert.

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