What happened to the wax mouth bird always opened my mouth

Waxing birds often open their mouths due to hot weather, and it needs to heat dissipation in this way.Bird cages are usually hung in a cool and ventilated place, don't let it be exposed to the exposure.Daily maintenance needs to be replaced in time, and it needs to be poured out every day to avoid the health of the birds after the food deteriorates.To clean the bird cage regularly, avoid the breeding of bacteria, and cover the cage cloth at night to prevent the bite by mosquitoes.