Chestnut-winged Cuckoo vs Dark Hawk-Cuckoo

Clamator coromandus compared with Hierococcyx bocki

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Side-by-Side Comparison

Attribute Chestnut-winged Cuckoo Dark Hawk-Cuckoo
Scientific Name Clamator coromandus Hierococcyx bocki
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Least Concern
Length
Wingspan 32.0 cm (12.6 in) 35.9 cm (14.1 in)
Weight 76.2 g (2.69 oz) 137.0 g (4.83 oz)
Diet -- --
Clutch Size 2-5 --
Population Trend
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Habitat Comparison

Shared Habitats

None

Chestnut-winged Cuckoo only

Dark Hawk-Cuckoo only

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Song & Call Comparison

Chestnut-winged Cuckoo

Song

Loud, far-carrying melodic call; rich resonant notes given from tall tropical forest tree. Vocalization pattern typical of this species in its native habitat.

Dark Hawk-Cuckoo

Song

Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in South Asia.

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Conservation Status

Least Concern

Chestnut-winged Cuckoo

Least Concern

Dark Hawk-Cuckoo

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How to Tell Them Apart

Chestnut-winged Cuckoo

Plumage

Chestnut-bellied Malkoha: rich chestnut belly; dark green-black above; bare red orbital skin; long green-glossed tail; bold belly

Dark Hawk-Cuckoo

Plumage

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 These Birds

Chestnut-winged Cuckoo

Chestnut-winged Cuckoo (Clamator coromandus) — 45–50 cm. Black crest; white collar; black-and-chestnut wings; orange-buff underparts; long dark tail. Migratory; breeds in the Himalayas, South and Southeast Asia; winters to Sri Lanka and the Greater Sundas. Brood parasite targeting babblers and other hosts. Insectivore.

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.

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