Steppe ecosystems are habitats of conventional, as well as endemic, rare and endangered species. On Reserve territory it marked more than 60vave species of animals and plants listed in the Red Book. For example,41 species in the list of international Conservation of nature(IVCN).On The Lakes is concentrated to 10% of the world population of Dalmatian pelican(IVCN Red List) and up to 10-20% of the world population of the territory of food during the summer and autumn moult migration in belayet huge number of birds, tens of thousands of geese, hundred of thousands of dabbling and diving ducks and waders. Among the Red bred book species of steppe and around water areas should be nofel steppe sandpiper sociable lapwing, bustard, little bustard, booted eagle, steppe eagle, white tailed eagle, pallid harrier, steppe pustelku, Demoiselle crane and others.  8 Species of mammals included in the, including souga and marmot IVCN. The Red Book of Kazakhstan 5 listed plants species, including tulip schrenka, which is of great importance as a reserve fund of material selection. This species is the ancestor of some cultivated varieties of tulips bred in the Netherlands in the XVl Century. Preserving the natural state sites on its territory and adjacent areas, the main objective of the Korgalzhyn Nature Reserve. The wetlands are home to pelicans, cranes and the northernmost population of pink flamingos. Altogether there are more than 300 bird species in the reserve. The steppes of the reserve are home to wolves, saiga antelopes and bobak marmots.