Mounted Swan --- Image by © J. James/Corbis
Black Swan --- Image by © 2/Marty Honig/Ocean/Corbis
03 Mar 2010 --- Mute swan Cygnus olor An adult emerges serenely from a thick mist into dawn sunlight. The mute swan is the largest bird in the UK and one of the heaviest flying birds in the world with adults weighing in at around 15kg. They are easily distinguished by their orange bill with attendant black knob and are found in a variety of freshwater habitats as well as tidal estuaries. Their young are called cygnets and these remain with the adults until next years breeding season. They are also highly territ --- Image by © Andrew Parkinson/Corbis
28 Feb 2012, Harriman State Park, Idaho, USA --- Harriman State Park, Idaho. USA. Trumpeter swans (Cynus buccinator) on edge of open water at Silver Lake in winter. --- Image by © Scott Smith/2012022810376.tif/Corbis
28 Feb 2012, Harriman State Park, Idaho, USA --- Harriman State Park, Idaho. USA. Trumpeter swans (Cynus buccinator) on edge of open water at Silver Lake in winter. --- Image by © Scott Smith/2012022810379.tif/Corbis
Japan --- Whooper swans, Hokkaido, Japan --- Image by © Art Wolfe/Mint Images/Corbis
ca. January 1988, Wisconsin, USA --- Swans float on Black River in the morning fog glowing in the sunlight, Wisconsin. | Location: Black River, Wisconsin, USA. --- Image by © Richard Hamilton Smith/CORBIS
Yellowstone National Park, USA --- Trumpeter Swans in the Yellowstone River --- Image by © George D. Lepp/Corbis
April 1990, Norfolk, England, UK --- Portrait head of an adult black swan, Cygnus atratus. March 1990, Norfolk, England, UK. --- Image by © Roger Tidman/CORBIS
ca. 1970-1994 --- A mute swan (Cygnus olor) rests its beak on its mantle feathers, ca. 1970-1994. --- Image by © Robert Gill/Papilio/Corbis
21 May 2005, Hirosaki, Japan --- Two white swans swimming in the cherry blossom covered moat of Hirosaki Castle in the Tohoku Region of Northern Japan. --- Image by © B.S.P.I./Corbis
Killarney, Ireland --- Swan Silhouetted on Lough Leane in Ireland --- Image by © Destinations/Corbis
Trumpeter Swan, Cygnus buccinator, is the largest native North American bird
02 Feb 2008, Nottinghamshire, England, UK --- A pair of adult Mute Swans (Cygnus olor) engaged in a courtship dance. The largest swan in the UK it has a distinctive orange-red bill with a black knob at its base. It nests next to lakes and waterways and is widespread throughout the UK. --- Image by © Andrew Parkinson/Corbis
Trumpeter Swan (Cygnusbuccinator),Thompson River, in the Thompson Okanagan region of British Columbia, Canada.
Whooper swan wrapped in wing
Bled, Slovenia. 12th February 2012 -- Swans and ducks are stranded on a small unfrozen patch of water on Lake Bled -- The Slovenian Alpine lake Bled, a famous tourist destination, froze over to alow people to walk or ice skate to its famous island. This happens only in the coldest winters. Bled, Slovenia. 12th February 2012
28 Feb 2012, Harriman State Park, Idaho, USA --- Harriman State Park, Idaho. USA. Trumpeter swans (Cynus buccinator) on unfrozen section of Golden Lake in winter. --- Image by © Scott Smith/2012022810523-2.tif/Corbis
Trumpeter Swans --- Image by © Jeff Vanuga/CORBIS
May 1989, Turnbull National Wildlife Refuge, Washington State, USA --- A trumpeter swan swims through mist on water at Washington's Turnbull National Wildlife Refuge. --- Image by © Darrell Gulin/Corbis
ca. February 1992, Harriman State Park, Idaho, USA --- Two adult trupeter swans fly over the snowy landscape in Harriman State Park. Idaho. --- Image by © George D. Lepp/Corbis
July 1994, Norfolk, England, UK --- A cygnet mute swan, Cygnus dor, views an adult. July 1994 , Norfolk, England, UK. --- Image by © Roger Tidman/CORBIS
ca. 1970-1994 --- A mute swan (Cygnus olor) disturbs the surface of a river, as it comes in to land. --- Image by © Stan Craig/Papilio/Corbis
Killarney, Ireland --- Swan Silhouetted on Lough Leane in Ireland --- Image by © Destinations/Corbis
Japan --- Two Swans Calling --- Image by © Shiroh Yabe/SEBUN PHOTO/amanaimages/Corbis