How to divide the mother and mother of the wax mouth

The waxing bird is actually very simple. On the one hand, it can look at its head. Black is male, and the yellow -gray one is the mother.On the other hand, you can look at the pattern of its wings. The public has white dots on it, and the spots of the mother are semi -circular.This kind of bird is also called plum sparrow. There are many varieties. They are one of the more common cage birds, and they are loved by people.It eats seeds as a small group.