Herring Gull (juvenile)Lesser Black-backed GullHerring Gull (juvenile)Herring Gull (juvenile)Herring Gull (juvenile)Great Black-bcked GullHerring Gull (juvenile)Black-headed GullBlack-headed GullGreat Black-backed GullGreat Black-backed GullBlack-headed GullHerring GullBlack-headed GullBlack-headed Gull and Mediterranean GullMediterranean GullBlack-headed GullBlack-headed GullBlack-headed Gull (juvenile)Black-headed Gull