How do I look at age?

Bolao looks at the age mainly to look at its claws. If the skin on the paw is rough, it means that it is an old bird, and the tender is young birds.In addition to looking at the claws, you can also look at its feathers. The smaller bird feathers are often brighter and the color is very bright. The old bird's feathers will be dim, and it looks messy.In addition, if the skin of the birds show signs of whitening, it also shows that the age is relatively old.