How to distinguish between male and female

Belong can distinguish between male and female during the young bird.Generally, Gong Eight Brother's feather color is even more dark, while the mother's is gray, not so oily.If you look at its tail feathers, generally the V -shaped is male, otherwise it will be the mother.At the same time, you can also listen to the tweet that the voice of the male is more beautiful, the mother is hoarse, and it is often relatively low.Finally, you can see the rentered holes, and the public will be slightly raised.