Abstract: As a result of paleontologic and ecologic research on the south of Uzbekistan 35 rare and endangered mammal species were detected: rare species: bear, steppe polecat, otter, chaus, lynx, manul, sand cat, leopard, snow leopard, Bukhara deer, Goitered gazelle, ibex, markhor, Asian argali, and others; extinct species: dhole, striped hyena, cave hyena, tiger, elephant, horse, kulan, Pleistocene donkey, rhinoceros, Knobloch's camel, roe deer, moral, argali, aurochs, and bison.