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Side-by-Side Comparison

属性	Rufous-winged Ground-cuckoo	Long-tailed Koel
学名	Neomorphus rufipennis	Urodynamis taitensis
目	Cuculiformes	Cuculiformes
科	Cuculidae	Cuculidae
保全状況	Least Concern	Least Concern
体長	—	—
翼開長	34.1 cm (13.4 in)	34.4 cm (13.5 in)
体重	381.25 g (13.45 oz)	113.5 g (4.00 oz)
食性	--	--
一腹卵数	--	--
Population Trend	—	—

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Habitat Comparison

共通生息地

🌲 Forest

Rufous-winged Ground-cuckoo only

None

Long-tailed Koel only

None

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Song & Call Comparison

Rufous-winged Ground-cuckoo

さえずり

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

Long-tailed Koel

さえずり

Deep, hollow resonant call; powerful low notes carrying through dense tropical forest in Southeast Asia.

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保全状況

Least Concern

Rufous-winged Ground-cuckoo

Least Concern

Long-tailed Koel

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How to Tell Them Apart

Rufous-winged Ground-cuckoo

羽毛

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

Long-tailed Koel

羽毛

White-eared Bronze-cuckoo: white ear patch; bronze-green above; barred white below; distinctive white ear spot; small 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.

Long-tailed Koel

Long-tailed Koel (Urodynamis taitensis) — 40–43 cm; tail up to 22 cm. Slender; brown above with white spots; pale underparts with brown streaking; very long pointed tail. Migrates from New Zealand and Pacific islands to Melanesia and Micronesia. Brood parasite targeting reed-warblers. Frugivore and insectivore.

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