European Herring Gull, Larus argentatus "IMG_4819" by Gulli H via Flickr, Creative Commons Attribution-NoDerivs. | Common Gull, Larus canus |
Ring-billed Gull, Larus delawarensis "Ring-billed Gull LMO 7-15-09" by THE Holy Hand Grenade! via Flickr, Creative Commons Attribution-NoDerivs. | Lesser Black-backed Gull, Larus fuscus "Gaviota sombrÃa Larus fuscus" by Agpov via Flickr, Creative Commons Attribution. |
Great Black-backed Gull, Larus marinus | Western Gull, Larus occidentalis |