Naga Hills, extreme north-east India.
Formerly considered conspecific with S. europaea, but the two differ vocally, and in area of range overlap in E China (Fujian) they differ also in ecology (present species montane, S. europaea in lowlands); further W in China, the two have been found at same locality in Sichuan and may overlap without intergradation, but breeding sympatry remains unproven, and more detailed study required. Birds observed in NE Arunachal Pradesh (NE India) presumed to refer to race montium. Those observed in S Laos tentatively included in race grisiventris; allocation of widely separated populations (in W Myanmar, S Laos and S Vietnam) to same race, however, seems untenable, and more detailed study likely to demonstrate that one or more hitherto unnamed races are involved. Three subspecies recognized.
Food and feeding
Status and conservation
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