What are the causes of the sudden death of the Xuanfeng parrot?

There are many reasons for the sudden death of the Xuanfeng parrot.It may be too much to give it too much, causing the food to be blocked in the mouth and did not swallow it in time, so that it was strangled.It may also be that the environment changes, or the temperature rises and decreases a large extent, causing the heat stroke or cold to die.In addition, there may be a scary that may be scared. This bird's heart tolerance is still relatively poor. If repeated frightening, it will be scared to death.