Gambel's White-crowned Sparrow (Zonotrichia leucophrys gambelii), Sonoran Desert, Arizona. This sparrow breeds in a wide variety of habitats including farmland, alpine meadows, shubbery, dwarf conifer forests and tundra edge. It winters throughout the West but is prone to wander widely and has been recorded in the East. This form has pale lores and orange bills. White-crowned Sparrows may be distinguished from the other "crowned" sparrows by a combination of bill color and head pattern.