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   Trumpeter Swan
   Cygnus buccinator		  Firehole River
 Yellowstone National Park
 Wyoming
 22 Sep 2019
     		 by Cliff Miles
 ©Cliff Miles
   Trumpeter Swan
   Cygnus buccinator		  Madison River
 Yellowstone National Park
 Wyoming
 25 Aug 2018
     		 by Cliff Miles
 ©Cliff Miles
   Trumpeter Swan
   Cygnus buccinator		  Yellowstone NP, Wyoming
 June 2004
      		 by Marlene Foard
 ©Marlene Foard
   Trumpeter Swan
   Cygnus buccinator		  Crex Meadow Wildlife Area
 Wisconsin
 25 Jun 2011
   		 by Eric Peterson
 ©Eric Peterson