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Side-by-Side Comparison

Attribute	Pavonine Cuckoo	Rufous-winged Ground-cuckoo
Scientific Name	Dromococcyx pavoninus	Neomorphus rufipennis
Order	Cuculiformes	Cuculiformes
Family	Cuculidae	Cuculidae
Conservation Status	Least Concern	Least Concern
Length	—	—
Wingspan	25.6 cm (10.1 in)	34.1 cm (13.4 in)
Weight	47.25 g (1.67 oz)	381.25 g (13.45 oz)
Diet	--	--
Clutch Size	--	--
Population Trend	—	—

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Habitat Comparison

Shared Habitats

🌲 Forest

Pavonine Cuckoo only

None

Rufous-winged Ground-cuckoo only

None

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Song & Call Comparison

Pavonine Cuckoo

Song

Loud, emphatic crowing call with harsh quality; resonant notes carrying well across open tropical forest edge.

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

Pavonine Cuckoo

Least Concern

Rufous-winged Ground-cuckoo

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How to Tell Them Apart

Pavonine Cuckoo

Plumage

Lesser Ground-cuckoo: rufous below; brown-barred above; blue orbital ring; long tail; ground-dwelling neotropical cuckoo; yellow eye

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

Pavonine Cuckoo

Pavonine Cuckoo (Dromococcyx pavoninus) — 26–30 cm. Rufous-brown above; barred tail; whitish underparts; bare facial skin. Inhabits humid Amazonian and Atlantic forest understorey from Venezuela south to Argentina. Brood parasite; crepuscular. Insectivore. Resembles Pheasant Cuckoo but smaller with distinctive peacock-eye tail spots when spread.

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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