What's wrong with Dai Sheng's feathers fluffy

Dai Sheng's feathers are fluffy because it is too cold.It must be kept warm in winter, but it is a bird staying in the south. Therefore, as long as the windproof work is done, it will basically not freeze to death.This kind of bird has a certain difficulty. It is an insect and birds. If the change of food is not good, it will cause it to not eat, and it is because the amount of food is large, and the excretion is also difficult to smell.Two times.