Tundra Swan {!--고니--> on nest - Alaska From the U.S. Fish and Wildlife Service's online digital media library.
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Metadata
Title: Tundra Swan on Nest
Creator: U.S. Fish and Wildlife Service
Source: AK/RO/01850
Contributor: ASSISTANT REGIONAL DIRECTOR-EXTERNAL AFFAIRS
Rights: (public domain)
Subject: Species Animals Birds Waterfowl Alaska Slide Show
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 (Cygnus columbianus) proper of the Nearctic.