Demerdzhiev, D., Dobrev, D., Popgeorgiev, G., Stoychev, S., 2022. Landscape alteration affects the demography of an endangered avian predator by reducing the habitat quality. — Avian Research, 13, Article 100030. doi:10.1016/j.avrs.2022.100030 [PDF]
Demerdzhiev, D., Boev, Z., Dobrev, D., Terziev, N., Nedyalkov, N., Stoychev, S., Petrov, T., 2022. Diet of Eastern Imperial Eagle (Aquila heliaca) in Bulgaria: composition, distribution and variation. — Biodiversity Data Journal, 10: e77746. doi:10.3897/BDJ.10.e77746 [PDF]
Demerdzhiev, D., 2022. Breeding parameters and factors infuencing the reproduction of an expanding Longlegged Buzzard (Buteo rufnus) population under high breeding density conditions. — Journal of Ornithology, 163: 405—415. doi:10.1007/s10336-022-01967-4 [PDF]
Dobrev, D., Tsiakiris, R., Skartsi, T., Dobrev, V., Arkumarev, V., Stara, K., Stamenov, A., Probonas, N., Kominos, T., Galanaki, A., Kret, E., Hallmann, B., Grubač, B., Sušić, G., Marinković, S., Hribšek, I., Skorić, S., Jerrentrup, H., Lucić, V., Kapelj, S., Stoyanov, G., Zakkak, S., Hristov, H., Stoychev, S., Sidiropoulos, L., Bino, T., Demerdzhiev, D., 2021. Long-term size and range changes of the Griffon Vulture Gyps fulvus population in the Balkans: A review. — Bird Conservation International, 1—16. doi:10.1017/S0959270921000198 [PDF]
Dobrev, D., Dobrev, V., Demerdzhiev, D., 2021. Human activities can hinder the breeding of a top avian predator: preliminary results. — Ornis Hungarica, 29 (2): 71—80. doi:10.2478/ orhu-2021-0020 [PDF]
Stoychev, S., Demerdzhiev, D., Horvath, M., 2020. Eastern Imperial Eagle (Aquila heliaca). — In: Keller, V., Herrando, S. Vorisek, P. et al. European Breeding Bird Atlas 2: Distribution, Abundance and Change. European Bird Census. Councul and Lynx Edicions, Barcelona.
Stoychev, S., Demerdzhiev, D., 2020. Long-legged Buzzard (Buteo rufinus). — In: Keller, V., Herrando, S. Vorisek, P. et al. European Breeding Bird Atlas 2: Distribution, Abundance and Change. European Bird Census. Councul and Lynx Edicions, Barcelona.
Lazarova, I., Dobrev, D., Gradev, G., Petrov, R., Stoychev, S., Klisurov, I., Demerdzhiev, D., 2020. Main mortality factors for the Eastern Imperial Eagle (Aquila heliaca Savigny, 1809) in Bulgaria. — Ornis Hungarica, 28 (2): 120—134. doi:10.2478/orhu-2020-002 [PDF]
Dobrev, D., Arkumarev, V., Dobrev, V., Stamenov A., Demerdzhiev, D., 2020. Use and selection of roost sites by Eurasian Griffon Vultures Gyps fulvus in Bulgaria. — Bird Study, 67 (4): 496—504. doi:10.1080/00063657.2021.1950122 [PDF]
Demerdzhiev, D., Ratarova-Georgieva, V., 2019. International Symposium on Research and Conservation of Lesser Spotted Eagle Clanga pomarina Brehm, 1831 — Bourgas, Bulgaria, 2017. — Acta Zoologica Bulgarica, Suppl. 14: 3—5. [PDF]