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Song & Call Comparison
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Song & Call Comparison
Eastern Koel
Chant
Loud, far-carrying resonant call; deep musical notes audible through dense tropical forest in Sumatra.
Dark Hawk-Cuckoo
Chant
Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in South Asia.
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Geographic Range & Migration
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Conservation Status Comparison
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Statut de conservation
Least Concern
Eastern Koel
Least Concern
Dark Hawk-Cuckoo
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Identification Tips — How to Tell Them Apart
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Dark Hawk-Cuckoo: dark brown above; pale below with dense dark barring; hawk-like; long barred tail; yellow orbital ring; dark morph
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About Each Bird (Descriptions)
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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.
Dark Hawk-Cuckoo (Hierococcyx bocki) — 28–31 cm. Dark grey above; pale below with darker streaking; barred tail. Restricted to montane forest of the Malay Peninsula. Brood parasite. Insectivore. Rare; poorly documented.
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Related Comparisons
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More Birds in Family
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