1cy Yellow-legged Gulls

1cy Yellow-legged Gulls

With pictures of ringed Yellow-legged Gulls from Switzerland and Germany
2cy Yellow-legged Gulls

2cy Yellow-legged Gulls

With pictures of a ringed bird from Switzerland
3cy Yellow-legged Gulls

3cy Yellow-legged Gulls

With pictures of ringed birds from Switzerland and Italy
4cy Yellow-legged Gulls

4cy Yellow-legged Gulls

Adult Yellow-legged Gulls

Adult Yellow-legged Gulls

With pictures of a ringed pure Yellow-legged Gull and two hybrids Yellow-legged Gull x Herring Gull