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Side-by-Side Comparison

属性	Dark Hawk-Cuckoo	Rufous-winged Ground-cuckoo
学名	Hierococcyx bocki	Neomorphus rufipennis
目	Cuculiformes	Cuculiformes
科	Cuculidae	Cuculidae
保全状況	Least Concern	Least Concern
体長	—	—
翼開長	35.9 cm (14.1 in)	34.1 cm (13.4 in)
体重	137.0 g (4.83 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

Dark Hawk-Cuckoo only

None

Rufous-winged Ground-cuckoo only

None

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Song & Call Comparison

Dark Hawk-Cuckoo

さえずり

Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in South Asia.

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

Dark Hawk-Cuckoo

Least Concern

Rufous-winged Ground-cuckoo

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How to Tell Them Apart

Dark Hawk-Cuckoo

羽毛

Dark Hawk-Cuckoo: dark brown above; pale below with dense dark barring; hawk-like; long barred tail; yellow orbital ring; dark morph

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

Dark Hawk-Cuckoo

ボックカッコウ（Hierococcyx bocki）はボルネオ・スマトラなどの東南アジアの低地・丘陵林に生息するカッコウ科（Cuculidae）の鳥（体長27〜30 cm）。成鳥は灰色の上面と縞状の下面が特徴。托卵性。独特の鳴き声で識別。

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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