little-W | Studying gulls:
Black-headed Gull, >3cy, W[EJH2]
little-W | Studying gulls:
Black-headed Gull, >6cy, W[E5RF]
little-W | Studying gulls:
Black-headed Gull, early head moult
little-W | Studying gulls:
Black-headed Gull, 3cy, M[Arnhem 3725303]
little-W | Studying gulls:
Adult Black-headed Gull with early head moult
little-W | Studying gulls:
Black-headed Gull, 1cy, M[Helsinki ST290.408]
little-W | Studying gulls:
Black-headed Gull, >4cy, W[T83]
little-W | Studying gulls:
Black-headed Gull, >6cy, W[E5CA]
little-W | Studying gulls:
Black-headed Gull, >6cy, W[E5CR]
little-W | Studying gulls:
Black-headed Gull, >6cy, W[E5EK], at nest with family
little-W | Studying gulls:
Fierce Black-headed Gull fight (rare observation)
little-W | Studying gulls:
Black-headed Gull, 1cy, W[E5ZZ]
little-W | Studying gulls:
Black-headed Gull, 2cy, W[E5TK]
little-W | Studying gulls:
Black-headed Gull, >6cy, W[E5CH]
little-W | Studying gulls:
Adult Black-headed Gull with nest material
little-W | Studying gulls:
Black-headed Gull, >6cy, W[E5AV], at nest with chick
little-W | Studying gulls:
Black-headed Gull, >2cy, W[E5VR], at nest with chicks
little-W | Studying gulls:
Black-headed Gull, >4cy, W[E5FN]
little-W | Studying gulls:
Black-headed Gull, >6cy, W[E5EH], with offspring
little-W | Studying gulls:
Egg shell removal by Black-headed Gull
little-W | Studying gulls:
Black-headed Gull, 3cy, W[E5JY], mating
little-W | Studying gulls:
Black-headed Gull, 2cy, W[E5VA]
little-W | Studying gulls:
Black-headed Gull, 2cy, W[E5UT]
little-W | Studying gulls:
Black-headed Gull, 3cy, W[E5LH]
little-W | Studying gulls:
Black-headed Gull, 3cy, W[E5RS]
little-W | Studying gulls:
Black-headed Gull, 3cy, W[E5PE]
little-W | Studying gulls:
Black-headed Gull, 3cy, W[E5PE]
little-W | Studying gulls:
Black-headed Gull, >4cy, W[E5RE]
little-W | Studying gulls:
Black-headed Gull, >3cy, W[EAR8]
little-W | Studying gulls:
Black-headed Gull, >5cy, W[E5FL]
