In "Sokolniki" Park there is an Ornithological veterinary rehabilitation center. The ornitary is not a classical zoo, it is a veterinary and rehabilitation center for birds, including those which are registered in the Red Book. The main purpose of the ornithological center is to prevent the death of thousands wild birds in Russia. The collection contains more than 20 rare birds which can’t live in wild nature any more. Many of them are housed in the open vallieres.