Buff-headed Coucal vs Dark Hawk-Cuckoo

Centropus milo compared with Hierococcyx bocki

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Side-by-Side Comparison

Attribute Buff-headed Coucal Dark Hawk-Cuckoo
Scientific Name Centropus milo Hierococcyx bocki
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Least Concern
Length
Wingspan 52.8 cm (20.8 in) 35.9 cm (14.1 in)
Weight 766.0 g (27.02 oz) 137.0 g (4.83 oz)
Diet -- --
Clutch Size -- --
Population Trend
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Habitat Comparison

Shared Habitats

Buff-headed Coucal only

None

Dark Hawk-Cuckoo only

None

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Song & Call Comparison

Buff-headed Coucal

Song

Deep, resonant booming call; powerful hollow notes carrying far across Melanesian lowland forest. 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

Buff-headed Coucal

Least Concern

Dark Hawk-Cuckoo

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How to Tell Them Apart

Buff-headed Coucal

Plumage

Black-faced Coucal: glossy black face; dark brown mantle; rufous wings; black underparts; red eye; long dark tail; bold facial mask

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

Buff-headed Coucal

Buff-headed Coucal (Centropus milo) — 58–65 cm. Massive coucal; jet-black body; pale buff-yellow head and neck; heavy decurved bill. Endemic to the Solomon Islands in lowland forest and dense scrub. Non-parasitic; builds a domed grass nest. Omnivore hunting large insects, lizards, frogs, and small mammals. One of the largest coucals globally.

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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