Tundra Swan
Cygnus columbianus
Summary 2
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: Bewick's swan (Cygnus bewickii) 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 distin
Fuentes y créditos
- (c) Chris Rohrer, algunos derechos reservados (CC BY-NC), subido por Chris Rohrer
- (c) Wikipedia, algunos derechos reservados (CC BY-SA), https://hub.toolforge.org/P3151:6917?lang=
