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Side-by-Side Comparison

Atributo	Dwarf Koel	Rufous-winged Ground-cuckoo
Nombre científico	Microdynamis parva	Neomorphus rufipennis
Orden	Cuculiformes	Cuculiformes
Familia	Cuculidae	Cuculidae
Estado de conservación	Least Concern	Least Concern
Longitud	—	—
Envergadura	21,0 cm (8.3 in)	34,1 cm (13.4 in)
Peso	49,075 g (1.73 oz)	381,25 g (13.45 oz)
Dieta	--	--
Tamaño de la puesta	--	--
Population Trend	—	—

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Habitat Comparison

Hábitats compartidos

🌲 Bosque

Dwarf Koel only

Ninguno

Rufous-winged Ground-cuckoo only

Ninguno

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Song & Call Comparison

Dwarf Koel

Canto

Loud, nasal call with carrying quality; distinctive resonant notes given from forest canopy in Asia.

Rufous-winged Ground-cuckoo

Canto

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

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Estado de conservación

Least Concern

Dwarf Koel

Least Concern

Rufous-winged Ground-cuckoo

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How to Tell Them Apart

Dwarf Koel

Plumaje

Channel-billed Cuckoo: pale gray-white; dark wings; massive pale curved bill; red orbital ring; long dark tail; unique bill size

Rufous-winged Ground-cuckoo

Plumaje

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

Dwarf Koel

Dwarf Koel (Microdynamis parva) — 20–24 cm. Tiny koel; male blackish; female brown with white spots; short tail; small curved bill. Inhabits primary lowland forest of New Guinea. Brood parasite; host species poorly documented. Insectivore and frugivore. Rare and little studied.

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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