little-W | Studying gulls:
Black-headed Gull, gray hind-neck
little-W | Studying gulls:
Black-headed Gull, gray hind-neck
little-W | Studying gulls:
Black-headed Gull, gray hind-neck
little-W | Studying gulls:
Black-headed Gull, gray hind-neck
little-W | Studying gulls:
Black-headed Gull, gray hind-neck
little-W | Studying gulls:
Black-headed Gull, gray neck and head
little-W | Studying gulls:
Black-headed Gull, gray neck and throat
little-W | Studying gulls:
Black-headed Gull, gray neck and throat