| AdultsImmatureAction | Action 2 |  
  

  
   Western Gull
   Larus occidentalis
 Bolsa Chica Ecological Reserve
 Huntington Beach, California
 26 Dec 2016
  
 by Kendall Brown
 ©Kendall W. Brown
   Western Gull
   Larus occidentalis
 Farmington Bay
 Davis County, Utah
 13 Feb 2013
  
 by John Crawley
 ©John Crawley
   Western Gull
   Larus occidentalis
 Farmington Bay
 Davis County, Utah
 13 Feb 2013
  
 by John Crawley
 ©John Crawley
   Western Gull
   Larus occidentalis
 Adult
 Near Oxnard, California
 2 Mar 2012
  
 by Ted Fitzgerald
 ©Ted Fitzgerald
   Western Gull
   Larus occidentalis
 Breeding Adult 
 Bear River MBR
 Box Elder County, Utah
 8 Jul 2008
  
 by Jim Pawlicki
 ©Jim Pawlicki