Pennington Select Black Oil Sunflower Seed Bird Food is a great source of high-quality protein and is a popular choice for seed-eating birds. Its high oil content is simply irresistible and provides a source of high energy for your feathered friends. This seed is great to feed to your feathered friends year-round, and it works great in hopper, gazebo, platform, and tube feeders (sold separately). This tasty seed attracts cardinals, chickadees, goldfinches, woodpeckers, titmice, juncos, nuthatches, pine siskins, and more. It features added vitamins and minerals for a balanced diet and the best in bird health.