Place: Blockley, Cotswolds
Date: 31 March 2019.
[Aythya nyroca, Family Anatidae, Order Anseriformes, Wikipedia Entry: Ferruginous duck]
The sound of the ferruginous duck (borrowed from the Xeno-Canto website, recordist Stanislas Wroza)
Distribution and sightings of the ferruginous duck across the British Isles (borrowed and modified from the Bird Atlas Mapstore).
Marnix's Bird Gallery 