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Song & Call Comparison
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Song & Call Comparison
Black Coucal
เสียงร้อง
Melodic, flute-like phrase with musical quality; clear rich notes cascading pleasantly from Madagascar forest.
Dark Hawk-Cuckoo
เสียงร้อง
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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สถานะการอนุรักษ์
Least Concern
Black Coucal
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
Black Coucal
ขนนก
Brown Coucal: dark brown above; rufous-brown wings; buff below; long brown tail; orange-red eye; brownish plumage; African species
Dark Hawk-Cuckoo
ขนนก
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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Black Coucal (Centropus grillii) — 30–35 cm. Entirely glossy black with chestnut wings in breeding plumage; non-breeding birds streaked brown. Found in tall grass and reed beds across sub-Saharan Africa. Non-parasitic; notable for reverse sex roles — female larger, male incubates and raises young. Insectivore.
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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