Arkumarev V, Dobrev V, Stoychev S, Dobrev D, Demerdzhiev D, Nikolov SC. Breeding performance and population trend of the Egyptian Vulture Neophron percnopterus in Bulgaria: conservation implications. Ornis Fenn [Internet]. 2018Sep.30 [cited 2024May13];95(3):115–127. Available from: https://ornisfennica.journal.fi/article/view/133935