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Song & Call Comparison
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Song & Call Comparison
Dark Hawk-Cuckoo
الغناء
Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in South Asia.
Moustached Hawk-Cuckoo
الغناء
Loud, raucous accelerating call; harsh notes building quickly in urgency given from forest perch. Vocalization pattern typical of this species in its native habitat.
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Geographic Range & Migration
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Conservation Status Comparison
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حالة الحفاظ
Least Concern
Dark Hawk-Cuckoo
Near Threatened
Moustached Hawk-Cuckoo
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Identification Tips — How to Tell Them Apart
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How to Tell Them Apart
Dark Hawk-Cuckoo
الريش
Dark Hawk-Cuckoo: dark brown above; pale below with dense dark barring; hawk-like; long barred tail; yellow orbital ring; dark morph
Moustached Hawk-Cuckoo
الريش
Moustached Hawk-Cuckoo: brown above; white below with rufous barring; moustachial stripe; hawk-like barred pattern; yellow eye-ring
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About Each Bird (Descriptions)
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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.
Moustached Hawk-Cuckoo (Hierococcyx vagans) — 28–31 cm. Hawk-like; brown above; pale below with rufous-streaked breast; bold moustachial stripe; barred tail. Inhabits hill forest of the Malay Peninsula, Sumatra, and Borneo. Brood parasite; mimics Accipiter sparrowhawks. Insectivore.
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Related Comparisons
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More Birds in Family
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