Kaytee cardinal cakes wild bird food offers the premium ingredients that cardinals love to eat in an easy, convenient, ready-to-feed cake. Gives your backyard birds consistent energy and nourishment. Just slip the seed cake into a Kaytee cake feeder for convenient feeding. There's no feeder cleanup or removal of old seed to worry about. Seed cakes last longer than loose seed providing you with longer viewing time. Birds can't push loose seed out of the feeder, so there's less waste. The special honey seed formula also attracts a wide variety of birds. Made with our special honey seed formula to attract Cardinals and a wide variety of wild birds. Premium seeds cardinals and other songbirds desire most. Crude protein (min) 13.0 percent, crude fat (min) 25.0 percent, crude fiber (max) 20.0 percent, moisture (max) 14.0 percent.