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   Trumpeter Swan
   Cygnus buccinator
 Madison River
 Yellowstone National Park
 Wyoming
 25 Aug 2018
    
 by Cliff Miles
 İCliff Miles
   Trumpeter Swan
   Cygnus buccinator
 Yellowstone NP, Wyoming
 June 2004
     
 by Marlene Foard
 İMarlene Foard
   Trumpeter Swan
   Cygnus buccinator
 Crex Meadow Wildlife Area
 Wisconsin
 25 Jun 2011
  
 by Eric Peterson
 İEric Peterson