What happened to the parrot bite each other and speak up

Parrots bite each other's mouth and voices are generally performance before mating, indicating that they have entered the breeding period.The breeding period of this bird is very wide, as long as the temperature is appropriate, it can be matched and spawned.They are mainly in the tree hole in the wild, and they need to provide nest boxes if they are raised manually.After completing the mating, the mother bird will lay eggs in the nest. Generally, it can produce about 4-8 pieces each, and it takes 18 days to incubate.