The whooper swan , ''Cygnus cygnus'', is a large Northern Hemisphere swan. It is the Eurasian counterpart of the North American trumpeter swan. An old name for the whooper swan is 'Elk'; it is so called in Francis Willughby and John Ray's ''Ornithology'' of 1676.
Similar species: Ducks, Geese, Etc.
By Lychee
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Uploaded Sep 4, 2014. Captured Feb 28, 2009 15:16 in 682-698 U.S. 1, York, ME 03909, USA.
