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   Bonaparte's Gull
   Chroicocephalus philadelphia
 Powell Lake
 Lehi, Utah
 13 May 2014
  
 by Cliff Miles
 ©Cliff Miles

   Bonaparte's Gull
   Chroicocephalus philadelphia
 Powell Lake
 Lehi, Utah
 13 May 2014
  
 by Cliff Miles
 ©Cliff Miles

   Bonaparte's Gull
   Chroicocephalus philadelphia
 Utah Lake
 Utah County, Utah
 Jul-Aug 2007
  
 by Lu Giddings
 ©Lu Giddings