Sunflower & Natural Grains Wild Bird Feed is a perfect year-round blend for your backyard birds. The blend features a generous amount of wild birds' favorite black oil sunflower seeds. The seed attracts a variety of colorful birds to your feeders, including finches, chickadees, nuthatches, woodpeckers, cardinals, grosbeaks, titmice and other backyard birds. Use in a hopper, tube, or platform feeder.