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Side-by-Side Comparison

Attribute	Dark Hawk-Cuckoo	Blue-faced Malkoha
Scientific Name	Hierococcyx bocki	Phaenicophaeus viridirostris
Order	Cuculiformes	Cuculiformes
Family	Cuculidae	Cuculidae
Conservation Status	Least Concern	Least Concern
Length	—	—
Wingspan	35.9 cm (14.1 in)	27.2 cm (10.7 in)
Weight	137.0 g (4.83 oz)	67.0 g (2.36 oz)
Diet	--	--
Clutch Size	--	2-3
Population Trend	—	—

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Habitat Comparison

Shared Habitats

None

Dark Hawk-Cuckoo only

🌲 Forest

Blue-faced Malkoha only

None

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Song & Call Comparison

Dark Hawk-Cuckoo

Song

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

Blue-faced Malkoha

Song

Loud, raucous far-carrying call; harsh penetrating notes carrying well through dense forest habitat.

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Conservation Status

Least Concern

Dark Hawk-Cuckoo

Least Concern

Blue-faced Malkoha

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How to Tell Them Apart

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

Blue-faced Malkoha

Plumage

Yellowbill (African): yellow bill; plain olive-brown above; pale buff-white below; long graduated brown tail; African forest cuckoo

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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.

Blue-faced Malkoha

Blue-faced Malkoha (Phaenicophaeus viridirostris) — 38–42 cm. Green and chestnut; vivid bare blue orbital skin; green bill. Inhabits dry scrub and forest edge across peninsular India and Sri Lanka. Non-parasitic; builds a small cup nest in dense scrub. Insectivore and frugivore.

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