Explanation:

Udhwa (also spelled Udhua) is a village in the Uddhwa CD block in the Rajmahal subdivision of the Sahibganj district in the Indian state of Jharkhand.Udhwa Bird Sanctuary, spreading in 5.65 square kilometers is the only bird sanctuary of Jharkhand state. This avian habitat comprises two backwater lakes over river Ganges (Ganga) namely Patauda and Berhale. Migratory birds reach here every winter from several parts of the World, including Siberia and Europe.The main birds include the pratincole, egret, wagtail, plover, lapwing, stork, ibis and heron.