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Side-by-Side Comparison

Thuộc Tính	Eastern Koel	Western Koel
Tên Khoa Học	Eudynamys orientalis	Eudynamys scolopaceus
Bộ	Cuculiformes	Cuculiformes
Họ	Cuculidae	Cuculidae
Tình Trạng Bảo Tồn	Least Concern	Least Concern
Chiều Dài	—	—
Chiều Dài Sải Cánh	42,0 cm (16.5 in)	39,3 cm (15.5 in)
Khối Lượng	239,33333333333334 g (8.44 oz)	230,0 g (8.11 oz)
Chế Độ Ăn	--	--
Số Trứng	1	2-3
Population Trend	—	—

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Habitat Comparison

Môi Trường Sống Chung

🌲 Forest

Eastern Koel only

Không

Western Koel only

Không

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Song & Call Comparison

Eastern Koel

Tiếng Hót

Loud, far-carrying resonant call; deep musical notes audible through dense tropical forest in Sumatra.

Western Koel

Tiếng Hót

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

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Tình Trạng Bảo Tồn

Least Concern

Eastern Koel

Least Concern

Western Koel

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How to Tell Them Apart

Eastern Koel

Bộ Lông

Rufous-throated Bronze-cuckoo: rufous throat contrasting bronze-green above; barred white below; small; distinctive rufous throat

Western Koel

Bộ Lông

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

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About These Birds

Eastern Koel

Eastern Koel (Eudynamys orientalis) — 38–46 cm. Male glossy black; female brown with heavy spotting; pale green bill; red eye; long tail. Ranges across Southeast Asia, New Guinea, and Australia; migrates to Australia in spring. Brood parasite targeting magpies and friarbirds. Frugivore; disperses rainforest seeds.

Western Koel

Western Koel (Eudynamys scolopaceus) — 39–46 cm. Male glossy black; female brown with white spots and barred underparts; red eye. Widespread from South Asia through mainland Southeast Asia. Brood parasite targeting crows and mynas. Frugivore and insectivore. Its rising wailing call heralds the Indian summer.

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