When will the waxing bird change hair?

Waxing birds change hair in July each year. During the period of hair change, pay attention to supplementing nutrition, so that the quality of new feathers will be better.This kind of bird will change the hair once a year. When changing hair, it is often fragile, so you must pay attention to the protection. First of all, the temperature should not be too low, so it should be kept in a windproof place to raise it.Secondly, it is better to feed, and use more nutritious foods.