Mute Swan x Black Swan hybrid, West Midlands (UK), 13th January 2012 - copyright John Oates
(photo ID: 2734)
John tells us that this first-winter bird was the only surviving offspring of a male Mute Swan & a female Black Swan that nested at Marsh Lane Nature Reserve in 2011. It disappeared shortly after this photo was taken.
Mute Swan Cygnus olo
Black Swan Cygnus atratus