Ramesh, T., Chakravarthi, J., Balachandran, S. and Kalle, R. (2012) “CEPF Western Ghats Special Series: Birds of lower Palni Hills, Western Ghats, Tamil Nadu”, Journal of Threatened Taxa, 4(14), pp. 3269–3283. doi: 10.11609/JoTT.o3051.3269-83.