Black J0434, back from last year:
European Herring Gull, 4cy, N[J0434] by little-W | Studying gulls, on Flickr
Black J8UJ:
Nordic Lesser Black-backed Gull (Larus fuscus intermedius), 1cy, N[J8UJ] by little-W | Studying gulls, on Flickr
Yellow H5, a regular Dutch visitor:
Lesser Black-backed Gull (Larus fuscus graellsii - Dutch integrade), >9cy, Y[H5] by little-W | Studying gulls, on Flickr
Leucistic Herring Gull:
European Herring Gull, 1cy, leucistic by little-W | Studying gulls, on Flickr
European Herring Gull, 1cy, leucistic by little-W | Studying gulls, on Flickr
European Herring Gull, 1cy, leucistic by little-W | Studying gulls, on Flickr
European Herring Gull, 1cy, leucistic by little-W | Studying gulls, on Flickr
European Herring Gull, 1cy, leucistic by little-W | Studying gulls, on Flickr
European Herring Gull, 1cy, leucistic, mew call by little-W | Studying gulls, on Flickr