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   Trumpeter Swan
   Cygnus buccinator
 Yellowstone NP, Wyoming
 December 2005
    
 by Marlene Foard
 İMarlene Foard
   Trumpeter Swan
   Cygnus buccinator
 Yellowstone NP, Wyoming
 June 2005
    
 by Marlene Foard
 İMarlene Foard
   

 Trumpeter Swan
 Cygnus buccinator

 Tracy Aviary
 Salt Lake City, Utah
 1995

 by Margaret T. Sanchez
 İMargaret T. Sanchez

   Trumpeter Swan
   Cygnus buccinator
 Yellowstone NP, Wyoming
 June 2004
     
 by Marlene Foard
 İMarlene Foard