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Side-by-Side Comparison

属性	Goliath Coucal	Rufous-winged Ground-cuckoo
学名	Centropus goliath	Neomorphus rufipennis
目	Cuculiformes	Cuculiformes
科	Cuculidae	Cuculidae
保全状況	Least Concern	Least Concern
体長	—	—
翼開長	53.8 cm (21.2 in)	34.1 cm (13.4 in)
体重	509.0 g (17.95 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

Goliath Coucal only

None

Rufous-winged Ground-cuckoo only

None

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Song & Call Comparison

Goliath Coucal

さえずり

Loud, far-carrying coo with resonant quality; deep notes building in dramatic sequence from forest perch.

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

Goliath Coucal

Least Concern

Rufous-winged Ground-cuckoo

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How to Tell Them Apart

Goliath Coucal

羽毛

Lesser Coucal: smaller; dark brown above; rufous wings; pale buff-white below; red eye; long graduated dark tail; less glossy

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

Goliath Coucal

ゴリアテ・カッコウ (Centropus goliath) — 65〜75 cm。最大のカッコウ；全身黒色で巨大な下曲がり嘴；かすかな青緑色の光沢；非常に長い尾。インドネシア・モルッカ諸島の原生低地林に固有。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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