a glauc like 2nd winter argie with p10 mirror
yellow-legged gulls
caspo 2nd winter with green leg ring - polish or east german
adult caspo
1st winter caspo
2nd winter caspo
argentatus
this gull was boss! dunno what it was, caspo x ylg has been suggested. i saw it at west rise on december 17th and it was seen later at dartford on january 10th, see pic below
