Related to S. turtur, S. lugens and S. hypopyrrha. Substantial vocal differences reported between Himalayan and N Asian populations, and more than one species may be involved#R. Race orii sometimes lumped into orientalis. Proposed races khasiana (Meghalaya) and meridionalis (Assam) included in agricola; sylvicola in erythrocephala. Six subspecies recognized.
Food and feeding
Status and conservation
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