Rani Varsha, and Kanaujia Amita. 2021. “Sarus Crane Grus Antigone in U.P.-Distribution, Foraging Sites, Disturbance Factors, Threats and Conservation Measures ”. International Journal of Life Sciences 9 (1). India:1-6. https://ijlsci.in/ls/index.php/home/article/view/491.