The sarus crane, Grus antigone antigone is a monogamous, non-migratory and world’s tallest flying bird, prefers open habitat like marsh areas, abundantly irrigated paddy fields, grass land and wetland. The Alwara Lake is a part of village Alwara, which is located in Sarsawan block of Manjhanpur tahsil of Kaushambi district of Uttar Pradesh. This lake is a natural perennial wetland. It is surrounded by agricultural fields and connected to the river Yamuna. The ecological condition of this lake supports the survival of vulnerable sarus crane. The population of sarus crane is decreasing at global level but it is increasing in and around the Alwara Lake since about one decade.