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Song & Call Comparison
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Song & Call Comparison
Dark Hawk-Cuckoo
Gesang
Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in South Asia.
Square-tailed Drongo-cuckoo
Gesang
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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Geographic Range & Migration
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Conservation Status Comparison
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Erhaltungsstatus
Least Concern
Dark Hawk-Cuckoo
Least Concern
Square-tailed Drongo-cuckoo
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Identification Tips — How to Tell Them Apart
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How to Tell Them Apart
Dark Hawk-Cuckoo
Gefieder
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
Gefieder
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 Each Bird (Descriptions)
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Dark Hawk-Cuckoo (Hierococcyx bocki) — 28–31 cm. Dark grey above; pale below with darker streaking; barred tail. Restricted to montane forest of the Malay Peninsula. Brood parasite. Insectivore. Rare; poorly documented.
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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Related Comparisons
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More Birds in Family
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