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Side-by-Side Comparison

Attribute	Giant Coua	Rufous-winged Ground-cuckoo
Scientific Name	Coua gigas	Neomorphus rufipennis
Order	Cuculiformes	Cuculiformes
Family	Cuculidae	Cuculidae
Conservation Status	Least Concern	Least Concern
Length	—	—
Wingspan	42.5 cm (16.7 in)	34.1 cm (13.4 in)
Weight	430.0 g (15.17 oz)	381.25 g (13.45 oz)
Diet	--	--
Clutch Size	3	--
Population Trend	—	—

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Habitat Comparison

Shared Habitats

🌲 Forest

Giant Coua only

None

Rufous-winged Ground-cuckoo only

None

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Song & Call Comparison

Giant Coua

Song

Loud, raucous call with harsh quality; piercing rough notes carrying far through dense forest habitat.

Rufous-winged Ground-cuckoo

Song

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

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Conservation Status

Least Concern

Giant Coua

Least Concern

Rufous-winged Ground-cuckoo

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How to Tell Them Apart

Giant Coua

Plumage

Coral-billed Ground-cuckoo: dark green above; bright coral-red bill; rufous below; blue orbital skin; long tail; vivid bill diagnostic

Rufous-winged Ground-cuckoo

Plumage

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

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About These Birds

Giant Coua

Giant Coua (Coua gigas) — 58–62 cm. Largest coua; grey-brown above; vinous-buff below; bare blue orbital skin; massive heavy bill; long tail. Found in western dry deciduous forests of Madagascar. Non-parasitic; feeds on the ground and in trees. Omnivore; takes large invertebrates, lizards, and fruits. Declining due to forest loss.

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.

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