Why is the golden bird spitting?

Golden birds may be in estrus.It is usually raised with a circular or square cage, and only one in a cage can be raised.A bird's nest should be placed in the cage. The shape is bowl -shaped, with a diameter of about 12 cm. At the same time, you need to eat bowls, water plants, etc. The bottom of the cage should be placed with a feces to facilitate the cleanup of garbage.Usually feeding corn noodles, millet, and soybeans, etc., you need to mix eggs in bait.