What's wrong with the sparrows always open your mouth

Sparrows often open their mouths, because it needs to heat dissipation.It is especially important to let it live in a cool place in summer.You can take a shower once a day, which can keep your body clean. In addition to taking a bath, you should also pay attention to cleaning the bird cage to avoid the breeding of bacteria and lead to the illness of the birds.In the evening, it is best to cover it with a cage cloth. The advantage of this is to prevent bite by mosquitoes.