What's wrong with the mouth of the bird always open your mouth

Cycus often opens his mouth to show that it is heat dissipation.It is best not to hang the bird cage on the balcony in summer. Too strong light can cause birds to heatstroke, and even risk death.And because high temperatures will accelerate the rotten food and cause the deterioration of water drinking, food and water need to be replaced regularly, and usually keep the water sufficient.In addition, you can take a shower once a day, which can not only cool down, but also keep your body clean.