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   Calliope Hummingbird
   Stellula calliope
 Male
 Highland, Utah
 June 2009
  
 by Ryan Houston
 ©Ryan Houston

  
 Calliope Hummingbird
 Stellula calliope

 Male
 Backyard feeder
 Provo, Utah
 6 May 2002

 by Tuula Rose
 ©Tuula Rose