Copyright © Jan Harteman
Cygnus columbianus
Dutch: Fluitzwaan
German: Pfeifschwan
French: Cygne siffleur américain
Courtship of the Tundra swan. Copyright © Jan Harteman
Courtship of the Tundra swan. Copyright © Jan Harteman
Breeding Tundra swan at Sylvan Heights Waterfowl Center (USA). Copyright © Jan Harteman
These Tundraswans defend their nest. © G. Groenewald
© Jan Harteman / Harteman Wildfowl / www.harteman.nl
Tundra swan with cygnets in a south african collection. © G. Groenewald