Australian Shelduck, Werribee, Melbourne, Australia, 21 December 2019
Bar-headed Goose, Cley, Norfolk, United Kingdom, 7 August 2018
Barnacle Goose, Minsmere, Suffolk, United Kingdom, 21 May 2008
Black-bellied Whistling Duck, Tobago, Trinidad and Tobago, 10 November 2014
Black-necked Swan, Pebble Island, Falkland Islands, 12 November 2017
Black Swan, Christchurch, New Zealand, 6 December 2019
Blue-winged Teal, captive, Pensthorpe, Norfolk, United Kingdom, 6 April 2007
Blue-winged Teal, Florida, USA, 1 March 2012
Blue-winged Teal, Florida, USA, 26 February 2012
Blue Duck, Tawhai Falls, North Island, New Zealand, 23 November 2019
