Knob Billed Duck

Description: English: The Knob-billed duck (Sarkidiornis melanotos) in Prancheri tank Tirunelveli dt_English: The Knob-billed duck (Sarkidiornis melanotos) in Prancheri tank Tirunelveli district, Tamil Nadu. Date: 7 November 2017, 13:26:03. Source: Own work. Author: PJeganathan.

Description: English: Wildlife of South Luangwa National Park. Date: 24 January 2011, 06:47:19. Source: https://www.flickr.com/photos/55153936@N00/51870457957/. Author: I've Got It On Film!.