Jayapal, Rajah, Qamar Qureshi, and Ravi Chellam. 2011. “Identification of Bigmes and Their Indicator Taxa for Conservation Planning: A Case Study from Central Indian Birds”. Journal of the Bombay Natural History Society (JBNHS) 108 (3):163-71. http://bnhsjournal.in/index.php/bnhs/article/view/156344.