Gogabil Bird Sanctuary
A tranquil oxbow lake in the Amdabad area of Katihar, flanked by the Mahananda and the Ganga. Gogabil is Bihar's first Community Reserve and, in 2025, became a Ramsar site of international importance. In winter its yearround waters draw flocks of migratory ducks, geese and waders, making it a rewarding spot for birdwatchers in the state's far east.