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 Great Gray Owl
 Strix nebulosa

 Cooke City
 Montana
 5 Jul 2013

 by Paul Higgins
 ©Paul Higgins

   Great Gray Owl
   Strix nebulosa
 Yellowstone NP
 Wyoming
 11 Oct 2011

  
 by Marlene Foard
 ©Marlene Foard

   

 Great Gray Owl
 Strix nebulosa

 Yellowstone NP
 Wyoming
 Jun 2009

 by Marlene Foard
 ©Marlene Foard

  

 Great Gray Owl
 Strix nebulosa

 Near St. Anthony
 Idaho
 11 Feb 2006

 by Terry Sadler
 ©Terry Sadler