| Adults | Immature | Hybrid |   
       

 Glaucous-winged Gull
 Larus glaucescens
            x 
 Western Gull
 Larus occidentalis

"Olympic Gull"

 Bountiful Landfill
 Davis County, Utah
 December 2006

 by Tim Avery
 ©Tim Avery

"Olympic Gull," --  hybrid between Glaucous-winged Gull and Western Gull
  

   Glaucous-winged Gull  Larus glaucescens
                                x 
   Western Gull  Larus occidentalis