Place: Lydiard Park near Swindon, Wiltshire
Dates: 4 December 2017.
Place: Marton Mere Local Nature Reserve, Blackpool, Lancashire
Dates: 26 February 2018.
[Mareca strepera, Family Anatidae, Order Anseriformes, Wikipedia Entry: Gadwall]
The sound of the gadwall (borrowed from the Xeno-Canto website, recordist Matthias Feuersenger)
Distribution and sightings of the gadwall across the British Isles (borrowed and modified from the Bird Atlas Mapstore).
Marnix's Bird Gallery 