Punyasloke Bhadury, Indian Institute of Science Education and Research Kolkata, Department of Biological Sciences and Centre for Climate and Environmental Studies, Mohanpur, West Bengal, India, Mohamed Thameemul Ansari, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal, India, Ajit Pattnaik, Wetlands International South Asia, Bhubaneswar, India and Gurdeep Rastogi, Wetland Research and Training Centre, Chilika Development Authority, Bhubaneswar, India