Figure 1. A – location of the study sites, B – Eurasian cranes, C – grassland disturbed by cranes from the bird-eye’s view, D – early successional vegetation with the dominance of Erophila verna on a disturbed patch; E – vegetation of a crane-disturbed quadrat in April 2021; F – vegetation of the same quadrat in June 2021; G – vegetation of an intact grassland quadrat in April 2021; H – vegetation of the same quadrat in June 2021. Photos were taken by Attila Szilágyi (B), Sándor Borza (C) and Laura Godó (D-H).