Woodpecker Bird Seed is a Woodpecker, Chickadee, and Nuthatch Bird Seed Blend 20 lb. Woodpecker Bird Seed will bring these interesting birds to your backyard. It contains a Bird Seed blend of real nuts, real fruit, added vitamins, added minerals, electrolytes, amino acids, no corn, no milo, no millet, and no chemical preservatives. This food is best feed to attract desirable wild birds. This can ship in one 20 lb bag or in four 5 lb bags. This is an outstanding recipe to attract unusual birds with unique behavior patterns. Ex. Some birds are just as comfortable upside down as not, watching them feed is amazing.