Rila Monastery Nature Park is inhabited by 202 vertebrate species. There are 52 species of mammals. The number of bats species is 15, or 50% of the diversity in Bulgaria and 45% in Europe. There are 20 species of small mammals: 9 Insectivora, 1 Lagomorpha and 13 Rodentia. Of them the European snow vole is a relict. The large mammals include 13 Carnivora and 4 Artiodactyla species. The most typical mammals in the park are the grey wolf, golden jackal, red fox, brown bear, European badger, European polecat, European otter, European pine marten, beech marten, wildcat, wild boar, red deer, roe deer and chamois.