Figure 1 from: Ivanov I, Stoynov E, Stoyanov G, Kmetova–Biro E, Andevski J, Peshev H, Marin S, Terraube J, Bonchev L, Stoev IP, Tavares J, Loercher F, Huyghe M, Nikolova Z, Vangelova N, Stanchev S, Mitrevichin E, Tilova E, Grozdanov A (2023) First results from the releases of Cinereous Vultures (Aegypius monachus) aiming at re-introducing the species in Bulgaria – the start of the establishment phase 2018–2022. Biodiversity Data Journal 11: e100521. https://doi.org/10.3897/BDJ.11.e100521