|Range||Malaysia it occurs in upper Malaya, northern Sarawak and Sabah. In Indonesia it is found on Sumatra and in Kalimantan. It is also endemic to Brunei.|
The Dark hawk-cuckoo (Hierococcyx bocki), is a cuckoo in the Cuculidae family. It is formerly considered conspecific with the large hawk-cuckoo (Hierococcyx sparverioides) and placed in the Cuculus genus.
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