Abstract: In a popular form it describes the origination, nature and fauna of the Chatkal nature reserve. Habitats and ecology of Menzbier's marmot, water-snake, forest dormouse, and fox are described. It also indicates mammal and bird species listed in the Red Book of the USSR black vulture, griffon vulture, bearded vulture, golden eagle, snow leopard, Turkestan lynx, and Tien-Shan brown bear. There are 23 mammal species in the Hissar nature reserve. Ecology of snow leopard and Siberian mountain ibex is described. In the year 1977, 15 Turkestan lynx, about 25 Tien-Shan brown bears, five to seven snow leopards, and 120 150 Siberian mountain ibex were counted in the nature reserve.

Abstract: It describes history of the Chatkal and Aksu Jabagly nature reserves' establishment and provides data concerning hydrography, soils, climate, landscapes, altitude zoning, flora and fauna, and main aspects of scientific work.

Abstract: The Aksu-Djabagly nature reserve is a real guarantor for conservation of gene pool of five species Tien Shan bear, golden eagle, bearded vulture, Blue whistling thrush, and probably Central Asia stone marten. To strengthen the role of the nature reserve in the rare species conservation it is necessary to extend its area to a number of additional land plots belonging to forestries.

Abstract: Caspian tiger, cheetah, moral have disappeared from the region's fauna. Species such as hyena, leopard, manul are endangered, honey badger and caracal available only on the south of Karakalpakstan, lynx, snow leopard and saiga are rare species. The implemented protection measures helped Iranian otter, Bukhara red deer, marchor, and Severtsev's sheep escape a total extermination. To preserve many valuable animals in Uzbekistan small investments in their habitats improvement are required. Nature reserves and preserves occupy a total area of more than 220,000 ha in the country. All rare species of Central Asia's fauna are under protection of the state.

Abstract: Among large predators included in the Red Data Book of the USSR and Red List of IUCN the author describes snow leopard. A population of snow leopard in the USSR is estimated to be 500 animals, and no more than 1,000 in the world. In the past, irbis was believed to be a harmful animal and hunting for this species was encouraged. Today, population of the predator is reducing because of poaching and decreasing number of species it preys on such as ibex, wild sheep, wild boar, and marmots. The situation is exacerbated by biological features of this species first of all its slow rate of reproduction. It is concluded that snow leopard needs urgent protection measures since the species is on the verge of disappearance.