How long can the gray bird live

The life span of gray birds is about 10-15 years.This bird is usually paired or in groups of activities, and usually foraged on grass or shrubs, and most of them use grass, fruits and seeds as food. Because they can destroy crops, they are also used as harmful birds.It is usually mature when it is 7 or 8 months old. It can breed 4 nests each year. Each nest is eggproof 4-7 pieces, which can be hatched after 16-18 days.