Feathered Friend 14421 Black Oil Sunflower Seed Wild Bird Food, Straight, Seed, 20 lb Bag

Black oil sunflower seed is a high-energy, high-protein wild bird favorite that attracts a wide variety of seed eating songbirds. Unlike striped sunflower, black oil sunflower seed has a delicate shell that is easy-to-crack, which makes it attractive to birds of all sizes.