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Side-by-Side Comparison

属性	Kai Coucal	Rufous-winged Ground-cuckoo
学名	Centropus spilopterus	Neomorphus rufipennis
目	Cuculiformes	Cuculiformes
科	Cuculidae	Cuculidae
保全状況	Least Concern	Least Concern
体長	—	—
翼開長	46.6 cm (18.3 in)	34.1 cm (13.4 in)
体重	244.4 g (8.62 oz)	381.25 g (13.45 oz)
食性	--	--
一腹卵数	--	--
Population Trend	—	—

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Habitat Comparison

共通生息地

🌲 Forest

Kai Coucal only

🌾 Grassland

Rufous-winged Ground-cuckoo only

None

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Song & Call Comparison

Kai Coucal

さえずり

Loud, far-carrying resonant call; deep hollow notes given repeatedly from tropical forest perch. Vocalization pattern typical of this species in its native habitat.

Rufous-winged Ground-cuckoo

さえずり

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

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保全状況

Least Concern

Kai Coucal

Least Concern

Rufous-winged Ground-cuckoo

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How to Tell Them Apart

Kai Coucal

羽毛

Burchell's Coucal: white eyebrow; streaked brown above; rufous wings; pale white below; long tail; red eye; bold white supercilium

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

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About These Birds

Kai Coucal

カイ・カッコウ (Centropus spilopterus) — 42〜46 cm。小翼羽に斑点のある栗赤褐色；黒い頭部と尾；太い嘴。インドネシア・カイ諸島固有種。森林・密な低木地に生息。非托卵性。

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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