Tundra Swan, Bewick's Swan (Cygnus columbianus) note the yellow spot in front of the eye, Potter's Marsh, Anchorage, AK 10/11/2007
by Grasmussen Jan 2, 2009 8:18 AM
Bewick's Swan Cygnus columbianus bewickii. Blyth, Northumberland, UK, 18 Jan 2010
by Resin Jan 20, 2010 10:58 PM
Taken at Bombay Hook Delaware MD; winter 2011
by Methodical Feb 5, 2011 11:51 AM
Taken at Bombay Hook Delaware MD; winter 2011
by Methodical Feb 5, 2011 11:52 AM