During last few days I had few records of Black-headed Gulls and Caspian Gulls observed in Siemień (fish ponds).
Lithuanian Caspian Gull (01.11.13)
Adult CG
Caspian Gull 1cy (1st November)
Italian BHG (Siemień 01.11.13)
Three different Black-headed Gulls from Croatia
Croatian Caspian Gull, Siemień fish ponds, 01.11.13
Young CG photographed in September
Some Caspians from my sketchbook (01.11.13)
CG 1cy (1st winter) - not completed because the bird flew away :)
Adult Caspian Gull (winter)