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Song & Call Comparison
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Song & Call Comparison
African Emerald Cuckoo
Song
Deep, hollow resonant booming call; powerful low notes carrying far through dense tropical forest. Vocalization pattern typical of this species in its native habitat.
Black-billed Koel
Song
Loud, resonant call with musical quality; rich carrying notes given from tall forest tree in Borneo.
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Geographic Range & Migration
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Conservation Status Comparison
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Conservation Status
Least Concern
African Emerald Cuckoo
Not Evaluated
Black-billed Koel
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Identification Tips — How to Tell Them Apart
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How to Tell Them Apart
African Emerald Cuckoo
Plumage
New Caledonian Bronze-cuckoo: bronze-green above; barred white below; island endemic; red eye; iridescent bronze-green; small size
Black-billed Koel
Plumage
Golden Bronze-cuckoo: golden-bronze iridescence; white barred underparts; golden-green head; bronze sheen; small Pacific cuckoo
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About Each Bird (Descriptions)
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African Emerald Cuckoo (Chrysococcyx cupreus) — 20–22 cm. Male: dazzling emerald green above and on breast; yellow belly; red bill. Female: bronze-green above; rufous-barred below. Inhabits primary forest and dense secondary growth across West and Central Africa. Brood parasite targeting sunbirds and other small passerines. Insectivore.
Black-billed Koel (Eudynamys melanorhynchus) — 38–44 cm. Male glossy black with a dark bill (unlike related koels with pale bills); female similar to Western Koel female. Endemic to Sulawesi and Sula Islands in Indonesia. Brood parasite; hosts include corvids. Frugivore and insectivore.
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Related Comparisons
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More Birds in Family
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