Corn flour, mung bean flour, pea flour, peanut flour, egg yolk, and finished red food. Beizi bird food is a feed specifically for birds. It is produced by Beijing Kaiyuan Feed Co., Ltd. The main formula of the bird food is: corn flour 2 grams mung bean flour 1 gram pea flour 2 grams peanut flour 1 gram egg yolk 2 grams of finished red seeds.