Common Pochard, Aythya ferina
Common Pochard, male, 12/31/09, Clissold Park, London, UK

Common Pochard, female, 12/25/09, Clissold Park, London, UK

Common Pochard, female, 12/25/09, Clissold Park, London, UK
Duck on ice!
Common Pochard, female flying, 5/14/11, Regent's Park, London
Common Pochard, male, 5/9/11, Regent's Park, London