Keith V Pritchard:
Black-headed Gull - adult - July - aberrant neck plumage - UK
Keith V Pritchard:
Black-headed Gull - adult - July - aberrant neck plumage - UK
Keith V Pritchard:
Black-headed Gull - adult - July - aberrant neck plumage - UK
Keith V Pritchard:
Black-headed Gull - adult - July - aberrant neck plumage - UK
Keith V Pritchard:
Black-headed Gull - adult - July - aberrant neck plumage - UK
Keith V Pritchard:
Black-headed Gull - adult - July - aberrant neck plumage - UK