little-W | Studying gulls: Lesser Black-backed Gull (L.f. graellsii), 6cy, Y[H.501] pair-bonding
little-W | Studying gulls: Lesser Black-backed Gull, (L.f. graellsii), 17cy, G[EL36]
little-W | Studying gulls: #2000: Lesser Black-backed Gull, (L.f. graellsii), >4cy, R[A09]W[E]
little-W | Studying gulls: Lesser Black-backed Gull, (L.f. graellsii), >4cy, Y[B5]
little-W | Studying gulls: Lesser Black-backed Gull, (L.f. graellsii), >4cy, W[ZD]N
little-W | Studying gulls: Lesser Black-backed Gull, (L.f. graellsii), >4cy, O[8F], pair-bonding
little-W | Studying gulls: Lesser Black-backed Gulls fighting
little-W | Studying gulls: Lesser Black-backed Gulls fighting
little-W | Studying gulls: Lesser Black-backed Gull, adult, Mew call
little-W | Studying gulls: European Herring Gull, 11cy, M[Bruxelles L-99798], Mew call