lark sparrow
brown, grey, buff, and black streaked upperparts white throat, breast, and belly pale brown eyebrow yellow bill white outer tail feathers long, curved hind claw short, rounded wings short tail
lark sparrow which has brown, grey, buff, and black streaked upperparts lark sparrow which has white throat, breast, and belly lark sparrow which has pale brown eyebrow lark sparrow which has yellow bill lark sparrow which has white outer tail feathers lark sparrow which has long, curved hind claw lark sparrow which has short, rounded wings lark sparrow which has short tail