| Breeding | TransitionNon-breedingImmatureGroupsClose-ups |   
 

  
   Heermann's Gull
   Larus heermanni
 Pacific Beech
 San Diego Co., California
 August 2009
  
 by Cliff Miles
 ©Cliff Miles
   Heermann's Gull
   Larus heermanni
 Pacific Beech
 San Diego Co., California
 August 2009
  
 by Cliff Miles
 ©Cliff Miles