1,250 fauna species have been recorded on the site, including 271 vertebrates: 42 mammals, 99 birds, eight reptiles, four amphibians and seven fish, and numerous invertebrates including 97 molluscs and 979 insects. As for the rest of the Alps, common species are the chamois (Rupicapra rupicapra), alpine ibex (Capra ibex), red deer (Cervus elaphus). Smaller mammals include the mountain hare (Lepus timidus), fox (Vulpes vulpes), ermine (Mustela erminea), marmot (Marmota marmota) and the reintroduced lynx (Felis lynx).