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Side-by-Side Comparison

Attribute	Rufous-winged Ground-cuckoo	Red-billed Malkoha
Scientific Name	Neomorphus rufipennis	Zanclostomus javanicus
Order	Cuculiformes	Cuculiformes
Family	Cuculidae	Cuculidae
Conservation Status	Least Concern	Least Concern
Length	—	—
Wingspan	34.1 cm (13.4 in)	28.8 cm (11.3 in)
Weight	381.25 g (13.45 oz)	115.5 g (4.07 oz)
Diet	--	--
Clutch Size	--	--
Population Trend	—	—

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Habitat Comparison

Shared Habitats

🌲 Forest

Rufous-winged Ground-cuckoo only

None

Red-billed Malkoha 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.

Red-billed Malkoha

Song

Sharp, staccato chip note; clean emphatic sound repeated rhythmically from dense tropical scrub habitat.

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Conservation Status

Least Concern

Rufous-winged Ground-cuckoo

Least Concern

Red-billed Malkoha

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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

Red-billed Malkoha

Plumage

Olive-capped Coua: olive-green crown; gray body; white below; bare blue facial skin; long graduated tail; Madagascar species; olive cap

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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.

Red-billed Malkoha

Red-billed Malkoha (Zanclostomus javanicus) — 38–44 cm. Blue-green above with a rufous belly; bright red bill and bare red orbital skin; long white-tipped tail. Inhabits primary and tall secondary forest of the Malay Peninsula, Sumatra, and Java. Non-parasitic. Insectivore feeding on large caterpillars and invertebrates.

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