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Song & Call Comparison
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Song & Call Comparison
Black-billed Koel
الغناء
Loud, resonant call with musical quality; rich carrying notes given from tall forest tree in Borneo.
Lesser Ground-cuckoo
الغناء
Soft, ventriloquial whistled phrase; clear pure notes given quietly and deceptively from dense tropical thicket.
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Geographic Range & Migration
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Conservation Status Comparison
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حالة الحفاظ
Not Evaluated
Black-billed Koel
Least Concern
Lesser Ground-cuckoo
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Identification Tips — How to Tell Them Apart
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How to Tell Them Apart
Black-billed Koel
الريش
Golden Bronze-cuckoo: golden-bronze iridescence; white barred underparts; golden-green head; bronze sheen; small Pacific cuckoo
Lesser Ground-cuckoo
الريش
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 Each Bird (Descriptions)
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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.
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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Related Comparisons
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More Birds in Family
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