Chilika is the largest brackish water wetland in Asia and is situated in Orissa along the east coast of India. It is a hotspot of biodiversity and supports more than two lakh people who depend on the lagoon for their sustenance Based on its unique biodiversity and socio-economical importance, Chilika, the eco-wonder has been designated as a Wetland of International Importance under Ramsar Convention (Ramsar Site No 221,1981).This book is designed with the intention of generating interest among students, children, birdwatchers, scientists, serious ornithologists and to sensitise them towards the needs of the biodiversity conservation in Chilika