What's wrong with Wen Bird's mouth always opens his mouth?

Wenbird often opens his mouth to say that the weather is too hot.It is best to put it indoors in summer, do not put it on the balcony, or it will be exposed to death.At the same time, it is necessary to maintain good air circulation, which is very helpful for its breathing.You can take a bath once a day. Take a bath with cold water. You cannot use warm water.In addition, in order to ensure the health of the birds, we must clean up the bird cage in time to prevent bacteria from breeding.