(Eurasian species, regular winter visitor to the Aleutian Islands.)  

  
   Whooper Swan
   Cygnus cygnus
 Reykjavik, Iceland
 July 27
    
 by Kendall Brown
 ©Kendall W. Brown
   Whooper Swan
   Cygnus cygnus
 Reykjavik, Iceland
 July 27
    
 by Kendall Brown
 ©Kendall W. Brown
   Whooper Swan
   Cygnus cygnus
 Alaska Maritime NWR
 Amchitka, Aleutians, AK
 25 Jan 2007
  
 by Donna A. Dewhurst/USFWS
 ©Public Domain