Description: English: Black Bittern Dupetor flavicollis at Keoladeo National Park or Bharatpur Bird Sanctuary, Rajasthan. Date: 3 December 2017, 10:13:44. Source: Own work. Author: Dr. Raju Kasambe. Camera location27° 10′ 00″ N, 77° 31′ 00″ EView all coordinates using: OpenStreetMap 27.166667; 77.516667.