little-W | Studying gulls:
Great Black-backed Gull fouraging on an eel
little-W | Studying gulls:
Great Black-backed Gull, 5cy, M[Arnhem 6038628]
little-W | Studying gulls:
Great Black-backed Gull, 5cy, M[Arnhem 6038628]
little-W | Studying gulls:
Great Black-backed Gull, 4cy, forward posture
little-W | Studying gulls:
Great Black-backed Gulls, 1cy, forward posture
little-W | Studying gulls:
Great Black-backed Gull, 1cy, oblique posture
little-W | Studying gulls:
Great Black-backed Gull, 1cy, N[JP132]
little-W | Studying gulls:
Great Black-backed Gull, 1cy, N[JP132]
little-W | Studying gulls:
Great Black-backed Gull, 2cy, N[JH709]
little-W | Studying gulls:
Great Black-backed Gull, 2cy, N[JH709]
little-W | Studying gulls:
Great Black-backed Gull, 2cy, N[JE252]
little-W | Studying gulls:
Great Black-backed Gull, 2cy, N[JE218]
little-W | Studying gulls:
Great Black-backed Gull, 3cy, N[JE464]
little-W | Studying gulls:
Great Black-backed Gull, 3cy, N[JE464]
little-W | Studying gulls:
Great Black-backed Gull, >4cy, N[JH402]
little-W | Studying gulls:
Great Black-backed Gull with yellow-tinged legs
little-W | Studying gulls:
Great Black-backed Gull, 2cy
little-W | Studying gulls:
Great Black-backed Gull, 2cy, N[JW068]
little-W | Studying gulls:
Great Black-backed Gull, 4cy/adult
little-W | Studying gulls:
Great Black-backed Gull, adult
little-W | Studying gulls:
Great Black-backed Gull, 4cy
little-W | Studying gulls:
Great Black-backed Gull, adult
little-W | Studying gulls:
Great Black-backed Gull, adult
little-W | Studying gulls:
Great Black-backed Gull, 3cy
little-W | Studying gulls:
Great Black-backed Gull, 2cy
little-W | Studying gulls:
Great Black-backed Gull, 2cy, low scapular moult
little-W | Studying gulls:
Great Black-backed Gull, 2cy, light central coverts
little-W | Studying gulls:
Great Black-backed Gull, 1cy, Bk[JE318]
little-W | Studying gulls:
Great Black-backed Gull, 1cy, N[JE676]
little-W | Studying gulls:
Great Black-backed Gull, 3cy, N[JA420]
