Architects, enthusiasts of fortifications and visitors are not the only ones who are fascinated with the beauty of Zamość Fortress
and who have taken a liking to its casemates * and posterns*. Bats have also found favourable living conditions here thanks to specific thermal conditions in the underground elements of the fortifications. Bats use all elements of the fortress, moving from one facility to another probably because of different temperatures in the fortifications. Most bats spend winters in colonies. Fortifications of Zamość Fortress create a system of facilities located in the immediate vicinity and constitute an important winter habitat of bats. Moreover, the place is unique in the region; there are no other similar facilities of this type close by..