little-W | Studying gulls:
European Herring Gull, 1cy, leucistic, (brown abbaration), mew call
little-W | Studying gulls:
European Herring Gull, 24cy, W[3]G[4]
little-W | Studying gulls:
European Herring Gull, 11cy, M[Bruxelles L-99798], Mew call
little-W | Studying gulls:
European Herring Gull, 11cy, M[Bruxelles L-99798], Mew call
little-W | Studying gulls:
European Herring Gull, >5cy, M[Arnhem 5425481]
little-W | Studying gulls:
European Herring Gull, adult feeding juvenile
little-W | Studying gulls:
European Herring Gull, adult feeding juvenile
little-W | Studying gulls:
European Herring Gull, adult feeding juvenile
little-W | Studying gulls:
European Herring Gull, adult feeding juvenile
little-W | Studying gulls:
Lesser Black-backed Gull, 1cy, G[Y.AZM]
little-W | Studying gulls:
European Herring Gull, 11cy, M[Bruxelles L-99798], mew call
little-W | Studying gulls:
European Herring Gull, 11cy, M[Bruxelles L-99798], upright threat posture
little-W | Studying gulls:
European Herring Gull, 7cy, Y[E261]Y[E], mew call
little-W | Studying gulls:
European Herring Gull, 7cy, Y[E261]Y[E], mew call
little-W | Studying gulls:
European Herring Gull, >6cy, G[F.AHK]
little-W | Studying gulls:
European Herring Gull, >6cy, G[M.ACZ] with G[F.AFN], displaying "choking" behavior
little-W | Studying gulls:
European Herring Gull - shell smashing
little-W | Studying gulls:
European Herring Gull, shaking off water
little-W | Studying gulls:
European Herring Gull, adult males fighting
little-W | Studying gulls:
European Herring Gull, adult, yawning
little-W | Studying gulls:
Herring Gull, adult ??G[S]
little-W | Studying gulls:
Herring Gull, adult ??G[S]
little-W | Studying gulls:
Herring Gull, adult ??G[S]
little-W | Studying gulls:
Herring Gull, adult ??G[S]
little-W | Studying gulls:
Herring Gull, adult ??G[S]
little-W | Studying gulls:
Herring Gull, adult ??G[S]
little-W | Studying gulls:
Herring Gull, adult ??G[S]
little-W | Studying gulls:
Herring Gull, adult ??G[S]