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Side-by-Side Comparison

Atribut	Eastern Koel	Lesser Ground-cuckoo
Nama Ilmiah	Eudynamys orientalis	Morococcyx erythropygus
Ordo	Cuculiformes	Cuculiformes
Famili	Cuculidae	Cuculidae
Status Konservasi	Least Concern	Least Concern
Panjang	—	—
Rentang Sayap	42,0 cm (16.5 in)	19,8 cm (7.8 in)
Berat	239,33333333333334 g (8.44 oz)	66,6 g (2.35 oz)
Diet	--	--
Ukuran Sarang	1	2
Population Trend	—	—

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Habitat Comparison

Habitat Bersama

None

Eastern Koel only

🌲 Forest

Lesser Ground-cuckoo only

None

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Song & Call Comparison

Eastern Koel

Kicauan

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

Lesser Ground-cuckoo

Kicauan

Soft, ventriloquial whistled phrase; clear pure notes given quietly and deceptively from dense tropical thicket.

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Status Konservasi

Least Concern

Eastern Koel

Least Concern

Lesser Ground-cuckoo

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How to Tell Them Apart

Eastern Koel

Bulu

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

Lesser Ground-cuckoo

Bulu

Greater Roadrunner: boldly streaked brown above; white-cream below with dark streaks; long tail; shaggy crest; bare facial skin; fast runner

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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.

Lesser Ground-cuckoo

Lesser Ground-cuckoo (Morococcyx erythropygus) — 28 cm. Brown above; chestnut rump; whitish underparts; bare blue orbital skin. Inhabits dry and semi-arid scrub from Mexico to Costa Rica. Non-parasitic; builds its own nest in low shrubs. Runs on the ground hunting large insects, lizards, and amphibians. Monotypic genus endemic to Mesoamerica.

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