CLICK ON PHOTO TO SEE HIGHER QUALITY IMAGE Click here for detailed species information Click here to see distribution map and to hear calls The Whooper Swan (Cygnus cygnus) is of the family Anatidae which is in the genus Cygnus and is a winter visitor to northwestern Europe. Two other species of wild swan occurs in Ireland, Mute Swan (Cygnus olor) is a common resident and Bewick's Swan (Cygnus columbianus) is a rare winter visitor. Patrick J. O'Keeffe / Raw Birds |