little-W | Studying gulls:
Fierce Black-headed Gull fight (rare observation)
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, forward posture
little-W | Studying gulls:
Black-headed Gull, oblique posture
little-W | Studying gulls:
Black-headed Gulls, meeting ceromony
little-W | Studying gulls:
Black-headed Gulls, meeting ceromony
little-W | Studying gulls:
Black-headed Gulls, meeting ceromony
little-W | Studying gulls:
Black-headed Gulls, meeting ceromony
little-W | Studying gulls:
Black-headed Gulls, meeting ceromony
little-W | Studying gulls:
Black-headed Gull, oblique posture
little-W | Studying gulls:
Black-headed Gulls, oblique and intimidated upright posture
little-W | Studying gulls:
Black-headed Gulls, intimidated upright posture
little-W | Studying gulls:
Black-headed Gulls, adult, oblique posture
little-W | Studying gulls:
Black-headed Gull, adult, oblique posture with long-call
little-W | Studying gulls:
Black-headed Gull, adult, forward posture
little-W | Studying gulls:
Black-headed Gull, adult, aggressive upright posture
little-W | Studying gulls:
Black-headed Gull, adult, ground-pecking
little-W | Studying gulls:
Black-headed Gull, adult
little-W | Studying gulls:
Black-headed Gulls
little-W | Studying gulls:
Black-headed Gull, adult
little-W | Studying gulls:
Black-headed Gulls
little-W | Studying gulls:
Black-headed Gulls
little-W | Studying gulls:
Black-headed Gulls
little-W | Studying gulls:
Black-headed Gull, >3cy, M[Bruxelles 5T77922]
little-W | Studying gulls:
Black-headed Gull, adult
little-W | Studying gulls:
Black-headed Gull, adult, intimidated upright posture
little-W | Studying gulls:
Black-headed Gull 1cy
little-W | Studying gulls:
Black-headed Gull, 2cy
little-W | Studying gulls:
Black-headed Gull, adult
