How to divide the male and female

If you want to divide the mother -in -law, you can directly look at its throat. If the color is bright red, it means that it is male. If the color is lighter, or close to white, it means that it is a female bird.In addition, it can be judged by its call. The male bird's call is sharp, while the mother bird is monotonous.Moreover, the eyebrows of the male bird's eyes are often very clear, and most of the lines look blurred, most of them are mothers.