Mt Sago, western Sumatra.
Usually treated as conspecific with H. sparverioides, but separated by some recent authors#R on the basis of different voice (allow 3), smaller size (wing much shorter, with no overlap; assume score 2), and plumage differences in both adults (dark face and darker overall plumage) and juveniles (at least 2). Thought to be sister to a clade formed by H. sparverioides and H. varius#R. Monotypic.
Mountains of Peninsular Malaysia, Sumatra and Borneo.
Food and feeding
Status and conservation
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