Fresh Cardinal Mix Wildbird Seed Keeps Those Bright Red Darlings Coming Back To Your Yard For More. The Cardinal is the state bird here in Illinois. Beautiful in the summer or against the white snow in winter. This favorite mix contains Oil Sunflower, Sunflower Hearts and Safflower. Protein not less than 10%, Fat not less than 4%, Fiber not more than 10%. Cardinal Mix is sold by the pound.