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Side-by-Side Comparison

属性	Dark Hawk-Cuckoo	Common Squirrel-cuckoo
学名	Hierococcyx bocki	Piaya cayana
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)	29.1 cm (11.5 in)
体重	137.0 g (4.83 oz)	103.85 g (3.66 oz)
食性	--	--
一腹卵数	--	2
Population Trend	—	—

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Habitat Comparison

共通生息地

🌲 Forest

Dark Hawk-Cuckoo only

None

Common Squirrel-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.

Common Squirrel-cuckoo

さえずり

Harsh, far-carrying call with raucous quality; loud rough notes carrying through dense tropical forest.

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保全状況

Least Concern

Dark Hawk-Cuckoo

Least Concern

Common Squirrel-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

Common Squirrel-cuckoo

羽毛

Great Spotted Cuckoo: gray above with white spots; pale below; long white-spotted dark tail; long pale crest; European migrant

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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。

Common Squirrel-cuckoo

Common Squirrel-cuckoo (Piaya cayana) — 40–50 cm. Brilliant rufous-chestnut above and on breast; grey belly; yellow-green bill; very long tail with bold black-and-white tips. Widespread in forest and forest edge from Mexico to Bolivia and Argentina. Non-parasitic. Insectivore; agile forager in tree canopy catching large insects and caterpillars.

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