White millet, also called as proso millet or white proso millet, is a favorite food among ground-feeding birds like migratory, sparrows, quail, doves, towhees, juncos, and cardinals. Millet is a small, inexpensive grain that is a popular ingredient in many birdseed mixes. Feeding millet to your backyard birds will provide them with necessary nutrition and can attract a variety of different species to your feeders