Kaytee Wild Bird Seed Cakes offer the premium that birds love to eat in an easy, convenient, ready-to-feed cake. Seed cakes slip easily into Cake Feeders for convenient feeding. Kaytee Wild Bird Seed Cakes offer the premium that birds love to eat in an easy, convenient, ready-to-feed cake|Seed cakes slip easily into Cake Feeders for convenient feeding|Seed cakes last longer than loose seed.