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Song & Call Comparison
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Song & Call Comparison
Ivory-billed Coucal
Tiếng Hót
Harsh, far-carrying call with deep quality; resonant rough notes carrying across African lowland forest.
Lesser Ground-cuckoo
Tiếng Hót
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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Tình Trạng Bảo Tồn
Least Concern
Ivory-billed Coucal
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
Ivory-billed Coucal
Bộ Lông
Buff-headed Coucal: distinctive buff-white head; dark brown back; rufous wings; pale underparts; long dark tail; red eye; head pattern
Lesser Ground-cuckoo
Bộ Lông
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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Ivory-billed Coucal (Centropus menbeki) — 60–68 cm. Very large; blackish-brown overall with a pale ivory-coloured heavy bill; long graduated tail. Found in forest and tall secondary growth of New Guinea and Aru Islands. Non-parasitic; builds an enclosed grass nest. Omnivorous; takes large invertebrates, lizards, frogs, and small mammals.
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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