Karna, J., B. R. Subba, H. Bhattacharya, and D. T. Chhetry. “Singing Patterns of the Oriental Magpie Robin Copsychus Saularis Linn”. Our Nature, vol. 18, no. 1, Dec. 2020, pp. 16-27, doi:10.3126/on.v18i1.34238.