Tundra Swan

Cygnus columbianus

Summary 1

The Tundra Swan (Cygnus columbianus) is a small Holarctic swan. The two taxa within it are usually regarded as conspecific, but are also sometimes split into two species, Cygnus bewickii (Bewick's Swan) of the Palaearctic and the Whistling Swan, C. columbianus proper, of the Nearctic. Birds from eastern Russia (roughly east of the Taimyr Peninsula) are sometimes separated as the subspecies C. c. jankowskii, but this is not widely accepted as distinct, most authors including them...

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  1. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Cygnus_columbianus

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