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Song & Call Comparison
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Song & Call Comparison
Snail-eating Coua
Gesang
Loud, far-carrying melodic call; rich clear resonant notes audible through tropical forest in Asia. Vocalization pattern typical of this species in its native habitat.
Dark Hawk-Cuckoo
Gesang
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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Erhaltungsstatus
Extinct
Snail-eating Coua
Least Concern
Dark Hawk-Cuckoo
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Identification Tips — How to Tell Them Apart
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How to Tell Them Apart
Snail-eating Coua
Gefieder
Green Coucal: greenish iridescent gloss overall; rufous wings; pale buff below; long graduated tail; red eye; greenish sheen
Dark Hawk-Cuckoo
Gefieder
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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Snail-eating Coua (Coua delalandei) — ~55 cm. Extinct. Last recorded on Île Sainte-Marie, Madagascar, in the mid-19th century. Large terrestrial cuckoo; purplish-blue and brown plumage; bare blue orbital skin. Presumed a specialist predator of large land snails. Driven to extinction by hunting and introduced predators.
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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