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Side-by-Side Comparison

السمة	Dark Hawk-Cuckoo	Chestnut-bellied Malkoha
الاسم العلمي	Hierococcyx bocki	Phaenicophaeus sumatranus
الرتبة	Cuculiformes	Cuculiformes
الفصيلة	Cuculidae	Cuculidae
حالة الحفاظ	Least Concern	Near Threatened
الطول	—	—
طول الجناح	35,9 cm (14.1 in)	27,8 cm (10.9 in)
الوزن	137,0 g (4.83 oz)	97,2 g (3.43 oz)
النظام الغذائي	--	--
عدد البيض في الوضع	--	2
Population Trend	—	—

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Habitat Comparison

الموائل المشتركة

🌲 Forest

Dark Hawk-Cuckoo only

بلا

Chestnut-bellied Malkoha only

🏖️ Coastal

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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.

Chestnut-bellied Malkoha

الغناء

Loud, mellow whistled phrase; rich resonant notes building in deliberate sequence through forest canopy.

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حالة الحفاظ

Least Concern

Dark Hawk-Cuckoo

Near Threatened

Chestnut-bellied Malkoha

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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

Chestnut-bellied Malkoha

الريش

Red-breasted Coua: brilliant rufous-red breast; gray head; olive-brown above; bare blue facial skin; long tail; Madagascar endemic

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About These Birds

Dark Hawk-Cuckoo

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.

Chestnut-bellied Malkoha

Chestnut-bellied Malkoha (Phaenicophaeus sumatranus) — 40–45 cm. Dark blue-green above; chestnut belly; green bill; bare red orbital skin; long tail. Inhabits lowland and hill forest of the Malay Peninsula, Sumatra, and Borneo. Non-parasitic. Insectivore specialising in hairy caterpillars.

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