Bird Suet Cakes for cage Suet Bird Feeders. This has Suet Delight wild bird food with the birds 2 favorite kinds of no melt bird suet cakes: Peanut Delight and Woodpecker Delight. The 'Delight' are special Non-melt, No mess all year round suet. This suet cake is formulated by blending high quality beef kidney fat with a base of corn meal and roasted peanuts that birds love. This Duo has 5 each (total of 10) of the two most favorite suet ingredients that will really bring the birds in!