What are the characteristics of the pure blood of the pigeon in the trees

There are many characteristics of the pigeons of Shishan. First of all, it is small and medium -sized pigeons. The body is a bamboo tube. The top of the head is round, the skeleton is very strong, and the muscles are very powerful.The second is that its feather color is dark gray, black gray or gray, and feathers look more oily.Generally, there are white feathers on the head and neck or body, and the eyes must be golden yellow. If the eyes are red and white, and the three -dimensional sense is strong, it means that it belongs to the top product.