With the return of the lynx at the end of the 1990s and the otter, which immigrated only a few years ago, two other large predators are now appearing alongside the golden eagle, which were originally indigenous and are once again sustainably shaping the role of natural regulation of biotic communities in the area of the national park. As a result, humans can at least partially reduce their regulatory function around hoofed game (red deer, chamois, roe deer). Due to the geomorphological situation and, in particular, the snowy winters, several well-known Alpine mammal species are absent from Kalkalpen National Park , including the ibex, marmot and wildcat.
Lesser horseshoe bat
With a weight of only four to ten grams and a wingspan of 25 cm, the lesser horseshoe bat is one of the smallest European bat species.