Figure 7. The site of the Stontzi rock formation in Pades, Epirus, where most of our biological observations took place. a) Stontzi, aerial view in late autumn. The fissure splits the rock into three main towers. Note that the formation is covered by a pine forest; b) Ground level view of Stontzi, from the deciduous forest islet contained in the fissures of the rock formation; c) Deciduous forest floor and man-made stone wall, which are used by D. lustriae and T. zorae for foraging; d) Example of a crevice on the Stontzi rock formation which is used as a shelter by D. lustriae and T. zorae during the day.