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Side-by-Side Comparison

Attribute	Rufous-winged Ground-cuckoo	Moluccan Drongo-cuckoo
Scientific Name	Neomorphus rufipennis	Surniculus musschenbroeki
Order	Cuculiformes	Cuculiformes
Family	Cuculidae	Cuculidae
Conservation Status	Least Concern	Least Concern
Length	—	—
Wingspan	34.1 cm (13.4 in)	25.6 cm (10.1 in)
Weight	381.25 g (13.45 oz)	29.7 g (1.05 oz)
Diet	--	--
Clutch Size	--	--
Population Trend	—	—

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Habitat Comparison

Shared Habitats

🌲 Forest

Rufous-winged Ground-cuckoo only

None

Moluccan Drongo-cuckoo only

None

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Song & Call Comparison

Rufous-winged Ground-cuckoo

Song

Deep, hollow resonant call; powerful low-frequency sound carrying across dense lowland tropical forest floor.

Moluccan Drongo-cuckoo

Song

Loud, far-carrying resonant call; deep hollow notes carrying through dense humid forest in Southeast Asia.

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Conservation Status

Least Concern

Rufous-winged Ground-cuckoo

Least Concern

Moluccan Drongo-cuckoo

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How to Tell Them Apart

Rufous-winged Ground-cuckoo

Plumage

Pheasant Coucal: dark glossy black head and body; rufous-brown wings; strongly barred dark tail; reddish eye; terrestrial habits

Moluccan Drongo-cuckoo

Plumage

Moluccan Drongo-cuckoo: glossy black overall; drongo-like forked tail; pale tail tips; red eye; Moluccas island endemic drongo-cuckoo

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About These Birds

Rufous-winged Ground-cuckoo

Rufous-winged Ground-cuckoo (Neomorphus rufipennis) — 46–50 cm. Bronze-green above; rufous wing panels; pale buff below. Found in humid forest of Venezuela, Guyana, and northern Brazil. Non-parasitic; follows army ants. Insectivore and small vertebrate predator. Rarely encountered; Near Threatened.

Moluccan Drongo-cuckoo

Moluccan Drongo-cuckoo (Surniculus musschenbroeki) — 24–27 cm. Glossy black; deeply forked tail; white vent barring. Endemic to the Moluccas and Sulawesi, Indonesia. Inhabits forest and forest edge. Brood parasite. Insectivore. Poorly studied.

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