Slaty Backed Gull
this is a large white bird with gray wings, black tail, and a short curved beak with black tip.this bird is white with grey on its back and tail and has a very short beak.a seagull with a white head, nape, throat and belly, and grey white and black feathers covering the rest of its body.this is a bird with a downward-curved beak with a black tip, a white head and body, gray and white feathers and back, and black rectrices.a large white bird with brown wings and wing bar. bill is black and yellow.the black tip bill on a bird with white smooth bellythis bird has a white crown with a yellow bill and pink feet.a white and grey beach dwelling bird.the bird is large with a pointed bill, and the belly is white.this bird has a white crown, a yellow bill, white breast, with grey coverts.