Ключевые слова: animal, animal species, artiodactyl, aviary, bison, bonasus, brown, buffalo, bull, care, center, cold, december, ecotourism, endangered, environment, field, forest, fur, herd, horned, horns, hybrid, leningrad region, nature, nursery, park, red book, reserve, russia, skin, snow, wild, winter, wool, zoo protection,