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Song & Call Comparison
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Song & Call Comparison
Cocos Cuckoo
Tiếng Hót
Loud, resonant melodic call; rich notes building in musical sequence through dense tropical forest. Vocalization pattern typical of this species in its native habitat.
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
Vulnerable
Cocos Cuckoo
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
Cocos Cuckoo
Bộ Lông
Black-bellied Cuckoo: rufous above; black belly; white throat; red orbital ring; long rufous tail; yellow-green bill; neotropical
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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Cocos Cuckoo (Coccyzus ferrugineus) — 31–35 cm. Richly rufous-brown above; cinnamon-buff below; graduated tail; yellow lower mandible. Endemic to Cocos Island, Costa Rica (a UNESCO World Heritage Site). Non-parasitic. Insectivore. Vulnerable due to its extremely restricted range and introduced predators.
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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