Tree Swallow
the black and blue pattern on its head and back are a defining characteristic, with its all white belly and stout legs.this is a small bird with white belly feathers and black wings.the bird has white belly and throat and a blue and black body.a small bird with a white underbelly and black beak.this blue bird has long shiny wings with black tips and a white belly.this bird has wings that are black and has a white bellythis bird has a white throat, breast, and belly, which are contrasted by its black wings and crown that have a metallic blue sheen.this bird is white with blue and has a very short beak.this bird has wings that are black and blue and has a white bellya small black bird, with a white belly, and a pointed bill.