  |
Trumpeter Swan (Olor buccinator) - http://raysweb.net/specialplaces/pages/swan.html
Describes the behavior, conservation status, risk factors, and outlook for this species. |
| |
Did Trumpeter Swans Ever Breed in Eastern North America? - http://www.acsu.buffalo.edu/~insrisg/nature/swans.html
Discussion by Bill Whan and Gerry Rising of the controversial program for introduction of Cygnus buccinator into the eastern US. |
| |
Cygnus olor (Mute Swan) - http://animaldiversity.ummz.umich.edu/site/accounts/information/Cygnus_olor.html
Species account includes facts on geographic range, physical traits, and behavior. Provides photos. |
| |
Bewick's Swan - http://www.birdsofbritain.co.uk/bird-guide/bewick-swan.htm
Short article on Cygnus columbianus in Britain. |
| |
Whooper Swan (Cygnus cygnus) - http://www.birdsofbritain.co.uk/bird-guide/whooper-swan.htm
Physical description, courtship display, and habitat of this species. Includes a photo. |
| |
Whooper Swan (Cygnus cygnus) - http://www.arthurgrosset.com/europebirds/whooperswan.html
Photos and tips on distinguishing this bird from the Mute Swan. Includes data on distribution in Iceland, Europe, and Asia. |
| |
Mute Swan (Cygnus olor) - http://nzbirds.com/Muteswan.html
Facts about the history, nesting, and diet of this introduced New Zealand bird. |
| |
Cygnus buccinator (Trumpeter Swan) - http://animaldiversity.ummz.umich.edu/site/accounts/information/Cygnus_buccinator.html
Photos, taxonomy, reproduction, habitat, food habits, and conservation status. |
 |
Mute Swan (Cygnus olor) - http://www.nenature.com/MuteSwan.htm
Provides an image, range maps, and facts about this bird's diet, habitat, and physical characteristics. |
| |
The Trumpeter Swan Society - http://www.trumpeterswansociety.org/
A private, non-profit organization dedicated to assuring the vitality and welfare of wild Trumpeter Swan populations. |