Malay Peninsula and Sunda Islands.
Hitherto treated as conspecific with M. tristis, but differs in its black-and-buff-barred vs all-black breast to abdomen (3); rusty-buff vs stony-white barring and spotting on all areas of plumage, with buff vs white rump (2); dense barring giving way to plain buffy lores and eyering rather than continuing around eyes (2); and in male slightly less bright red moustachial stripe (ns). Named races micropterus (Borneo) and microterus (Nias I) considered synonyms of grammithorax. Monotypic.
S Myanmar (S Tenasserim) and peninsular Thailand S to Sumatra, including islands of Nias and Bangka, N Natunas, and Borneo (including Banggi I and islands off NE coast).
Food and feeding
Status and conservation
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