What do you think of the yellow waist willow warrior?

The age of the yellow waist willow warrior is generally reflected in feathers and paws. The hair color is bright and the paws are tender, and the old bird's paws are rough.In addition to looking at feathers and paws, it can also look at its toenails. Generally, the young bird's toenails are short and the old bird's toenails are long.The distinction between young birds or old birds is mainly when buying. Although the young birds are not as good as the old birds, they can raise it longer, and they can also cultivate feelings.