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Side-by-Side Comparison

属性	Dark Hawk-Cuckoo	Square-tailed Drongo-cuckoo
学名	Hierococcyx bocki	Surniculus lugubris
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)	23.8 cm (9.4 in)
体重	137.0 g (4.83 oz)	31.65 g (1.12 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

Square-tailed Drongo-cuckoo only

🏖️ Coastal

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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.

Square-tailed Drongo-cuckoo

さえずり

Loud, raucous call with harsh penetrating quality; rough notes given from tall forest tree. Vocalization pattern typical of this species in its native habitat.

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保全状況

Least Concern

Dark Hawk-Cuckoo

Least Concern

Square-tailed Drongo-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

Square-tailed Drongo-cuckoo

羽毛

Square-tailed Drongo-cuckoo: glossy black; square-cut tail; drongo mimic; pale tail tips; red eye; southeast Asian drongo mimic

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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。

Square-tailed Drongo-cuckoo

Square-tailed Drongo-cuckoo (Surniculus lugubris) — 24–27 cm. Glossy blue-black overall; white vent barring; square-cut tail. Inhabits forest from the Himalayas through the Malay Peninsula to Borneo and the Philippines. Brood parasite mimicking drongos to penetrate nesting territories. Insectivore.

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