How do you look at the age

If you want to look at the age, you can observe the feathers and see if there is a shiny. The shiny is a bird. You can also touch the paw to see if the skin is leather. The thicker the leather, the older.Understanding the age of this bird is mainly when buying, usually it is better to buy young birds. Such birds can learn the mouth, adults have been set, and it is difficult to teach what.