Keith V Pritchard:
Lesser Black-backed Gull (graellsii) - subadult, 3rd or 4th winter - October - UK
Keith V Pritchard:
Lesser Black-backed Gull (graellsii/intermedius) - subadult, 3rd or 4th winter - October - Morocco
Keith V Pritchard:
Lesser Black-backed Gull (graellsii/intermedius) - subadult, 3rd or 4th winter - October - Morocco
Keith V Pritchard:
Lesser Black-backed Gull (graellsii/intermedius) - subadult, 3rd or 4th winter - October - Morocco
Keith V Pritchard:
Lesser Black-backed Gull (graellsii/intermedius) - subadult, 3rd or 4th winter - October - Morocco
Keith V Pritchard:
Lesser Black-backed Gull (graellsii/intermedius) - subadult, 3rd or 4th winter - October - Morocco
Keith V Pritchard:
Lesser Black-backed Gull (graellsii/intermedius) - subadult, 3rd or 4th winter - October - Morocco
Keith V Pritchard:
Lesser Black-backed Gull (graellsii/intermedius) - subadult, 3rd or 4th winter - October - Morocco