What happened to Wu Yan when he opens his mouth

Bulin often opens his mouth because it is too hot.Raising this kind of bird should pay attention to the summer. You can usually hang the bird cage in a cool and ventilated place. Do not accept direct light. You can bask in the sun in the early morning.Daily feeding is still used for eggs, but because high temperature feed is easy to break, it will be downsized every night, and the next morning will be changed.In addition, you can take a bath once a day, but do not use warm water, use cold water.