Slaty Backed Gull
white and gray bird with very large wing span and very large downward curved beak.the bird has a white overall body color, except from its wings and coverts in grey color.a large bird with a white head and belly, gray back and wings, and orange bill.this bird has a medium sized beak and grey and white feathersthis white bird has gray wingbars with white tips on the secondaries and a long, blunted beak.the large wings and secondaries are flying highthis bird has a white crown as well as large grey wingslarge white bird with grey wing tips and wings spread and wing spand very long with curved bill and many secondaries.this bird is white and gray in color, with a yellow beak.this bird has white chest, belly, and head, grey large wings, and big light yellow bills.