There are total of 140 insect species in the park. Rare species include Pančić's grasshopper (Pyrgomorphella serbica), endemic cricket Balkan isophya discovered in 1882 by Carl Brunner von Wattenwyl and aspen longhorn beetle, which in Serbia lives only on this location. 135 bird species make their temporary or permanent homes on the slopes of the mountain, including golden eagle, griffon vulture, peregrine falcon, Eurasian eagle owl and black grouse. On Perućac lake on the Drina, there is a population of common merganser, with 50 pairs. Tara is inhabited by 53 mammalian species, including the protected brown bear and otter, as well as chamois, roe deer, lynx, wolf, jackal, wild boar and marten.