little-W | Studying gulls:
Lesser Black-backed Gull, (L.f. graellsii), 1cy, leucistic
little-W | Studying gulls:
Lesser Black-backed Gull, (L.f. graellsii) with deformed bill
little-W | Studying gulls:
Lesser Black-backed Gull (L.f. graellsii), dirty plumage
little-W | Studying gulls:
Lesser Black-backed Gull (Larus fuscus graellsii - Dutch integrade), 1cy, leucistic
little-W | Studying gulls:
Lesser Black-backed Gull (Larus fuscus graellsii - Dutch integrade), 1cy, leucistic
little-W | Studying gulls:
Lesser Black-backed Gull (L.f. graellsii), 1cy, un-marked belly
little-W | Studying gulls:
Lesser Black-backed Gull (L.f. graellsii), 1cy, un-marked belly
little-W | Studying gulls:
Lesser Black-backed Gull (L.f. graellsii), 1cy, un-marked belly
little-W | Studying gulls:
Lesser Black-backed Gull (L.f. graellsii), 1cy, un-marked belly
little-W | Studying gulls:
Lesser Black-backed Gull (L.f. graellsii), 1cy, un-marked belly
little-W | Studying gulls:
Lesser Black-backed Gull (L.f. graellsii), 1cy, un-marked belly
little-W | Studying gulls:
Lesser Black-backed Gull (L.f. graellsii), dirty plumage
little-W | Studying gulls:
Lesser Black-backed Gull (L.f. graellsii), dirty plumage
little-W | Studying gulls:
Lesser Black-backed Gull (L.f. graellsii), dirty plumage
little-W | Studying gulls:
Lesser Black-backed Gull (L.f. graellsii), dirty plumage
little-W | Studying gulls:
Lesser Black-backed Gull (L.f. graellsii), dirty plumage
little-W | Studying gulls:
Lesser Black-backed Gull (L.f. graellsii), leucistic wing coverts
little-W | Studying gulls:
Lesser Black-backed Gull (L.f. graellsii), leucistic wing coverts
little-W | Studying gulls:
Lesser Black-backed Gull (L.f. graellsii), >8cy, G[M.ABT], leucistic wing coverts