National Audubon Society Cardinal Bird Seed Mix, (7 lbs) A favorite for Cardinals as well as chickadees, goldfinches, grosbeaks, house finches, jays, nuthatches, purple finches, titmice, and woodpeckers Formulated, tested, and approved by the National Audubon Society as a premium bird food blend High quality blend of oil sunflower, striped sunflower, and safflower For year round feeding in most tube, hopper, and platform bird feeders Made in the USA  SQF Level 2 Certified Manufacturer Cardinal songbird seed mix A blend of black oil sunflower, stripe sunflower and safflower Designed to fit sunflower and seed tube feeders Favorite seeds of cardinals Available in 7-pound