Numerous species of birds and mammals use the area near the quarry for feeding and sheltering, due to the fact that the vicinity of the quarry is represented by several protected areas, but also due to the constant work of the custodian of these areas who until now has dedicated his life to protect these places. The first meeting with the biodiversity of the area was marked by our welcoming by a group of Garrulus glanadarius . Later the ravens showed their presence and we felt like they were watching us from the rocky cliffs near the quarry. On the extent that we are advancing in the natural environment, more and more species are passed into the field book, such as: Mushrooms (macromycetae): Cladonia pyxidata, Auricularia auricula-judae, Plants –Prunus spinosa, Acer tataricum, Frangula alnus, birds–Parus major, Asio otus, mammals-Canis lupus, Lynx lynx, Capreolus capreolus, Meles meles, Vulpes vulpes. During this first working day we managed to enter two of the many caves from the studied area where we managed to identify a few individuals belonging to two species of bats: Rhinolophus ferrumequinum and Rhinolophus hipposideros. Therefore, the first day was quite productive. There have been identified, directly or by trace, a number of 4 bird species, 7 mammal species, 7 plant species, 14 mushrooms species, 2 invertebrates. From the total of 34 species, at least 15 species have been placed on the list of candidates for the title of key species.