How long is the time for the eyebrow bird to change the hair?

It takes about two months to change the hairbird.This bird is usually inhabited in a shrub or bamboo forest, and it is relatively timid. It often find food in the grass. The distance is not far from 8-10 years.It is good at singing and loud voice, so it is often raised as pets. It is very mixed with food, but it can also eat insects as the seeds and tender vegetables.It should be noted that wild thrush belongs to the protection of animals and therefore cannot be captured.