Java; error = Malacca (south Peninsular Malaysia).
Apparently rather isolated in genus, differing from other small Batrachostomus in lacking sexual dichromatism and in pattern of underpart feathers. Bornean population sometimes suggested as a separate race (parvulus), but geographical variation of species is, at most, slight and supposed differences of Bornean birds (underpart feathers whiter with more prominent rufous edges) not constant. Monotypic.
S Thailand (S from Surat Thani) and Peninsular Malaysia (S to Negeri Sembilan) to Sumatra, then E through Riau Archipelago (Bintan I), Lingga Archipelago (Lingga I) and Bangka to Borneo and Natuna Besar I.
Food and feeding
Status and conservation
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