Soni, K., Sharma, A. and Soni, V. 2010. Seasonal Variation in the Population of Indian Black Ibis Pseudibis papillosa, Inhabiting the Arid Zone of Rajasthan, India. Our Nature. 7, 1 (Jan. 2010), 193–202. DOI:https://doi.org/10.3126/on.v7i1.2571.