When will the crimson parrot change hair?

The crimson parrot will change hair when changing the season, each time it takes half a month to one month.Changing hair is the normal physiological phenomenon of the crimson parrot, which occurs once a year. Usually it will remove all the old hair and then start to grow new hair.When hairy, you must pay attention to cleaning and keep the cage clean to prevent the birds from getting sick.When long hairs, you need to pay attention to the choice of feed to supplement nutrition.