Malacca, Malay Peninsula.
Traditionally thought to form a species-group with N. nipalensis, N. bartelsi, N. lanceolatus and N. philippensis (with N. pinskeri). N. nanus was long considered synonymous with alboniger (which see). Monotypic.
S Thailand through Malay Peninsula to Sumatra and satellite islands (Simeulue, Nias, Mentawai Is, Belitung); N & C Borneo.
Food and feeding
Status and conservation
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