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Side-by-Side Comparison

Attribute	Philippine Coucal	Dark Hawk-Cuckoo
Scientific Name	Centropus viridis	Hierococcyx bocki
Order	Cuculiformes	Cuculiformes
Family	Cuculidae	Cuculidae
Conservation Status	Least Concern	Least Concern
Length	—	—
Wingspan	32.6 cm (12.8 in)	35.9 cm (14.1 in)
Weight	153.5 g (5.41 oz)	137.0 g (4.83 oz)
Diet	--	--
Clutch Size	3	--
Population Trend	—	—

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Habitat Comparison

Shared Habitats

None

Philippine Coucal only

🌾 Grassland

Dark Hawk-Cuckoo only

🌲 Forest

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Song & Call Comparison

Philippine Coucal

Song

Loud, melodic call with resonant musical quality; distinctive rich notes echoing through Madagascar lowland forest.

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

Philippine Coucal

Least Concern

Dark Hawk-Cuckoo

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How to Tell Them Apart

Philippine Coucal

Plumage

Senegal Coucal: black head; rufous-brown wings; pale buff-white below; long dark tail; red eye; West African savanna coucal

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

Philippine Coucal

Philippine Coucal (Centropus viridis) — 40–45 cm. Dark greenish-black above and below; chestnut wings; graduated tail. Endemic to the Philippines (Luzon, Samar, Leyte, Mindanao) in forest and dense scrub. Non-parasitic. Omnivore.

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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