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Dr Dimitar Demerdzhiev
Dr Dimitar Demerdzhiev

Dimitar Demerdzhiev

phonе: (+359 88) 8352068; e-mail:

Born 22 October 1977, Plovdiv.


2011 — PhD in Zoology: Biology, ecology, and conservation of the imperial eagle in Bulgaria — National Museum of Natural History, Bulgarian Academy of Sciences
2000 — Master’s Degree in Ecology: On the species composition and seasonal dynamics of the avi-fauna in the area of Orizovo Village, Stara Zagora Region — Paisii Hilendarski University of Plovdiv

Research interests

Ecology and behavior of birds, conservation biology, threatened species.

Current projects

LIFE for Eagle’s Habitats LIFE project for conservation of lesser spotted eagle in Bulgaria
Implementation of measures from the Action Plan for the Conservation of the eastern imperial eagle (Aquila heliaca) in the Republic of Bulgaria, BG16M1OP002-3.027-0005-C01
Study of the eastern imperial eagle (Aquila heliaca) population in European Turkey

Most recent publications

Demerdzhiev, D. A., Dobrev, D. D., Boev, Z. N., 2023. Grassland Alterations Do Not Affect Breeding Success, but Can Explain Dietary Shifts of a Generalist Raptor Species. — Diversity 2023, 15, 422. doi:10.3390/d15030422 [PDF]

Väli, Ü., Treinys, R., Bergmanis, U., Daroczi, S., Demerdzhiev, D., Dombrovski, V., Dravecký, M., Ivanovski, V., Kicko, J., Langgemach, T., Lontkowski, J., Maciorowski, G., Poirazidis, K., Rodziewicz, M., Meyburg, B.-U., 2022. Contrasting patterns of genetic diversity and lack of population structure in the lesser spotted eagle Clanga pomarina (Aves: Accipitriformes) across its breeding range. — Biological Journal of the Linnean Society, V 136 (4): 506—519. [PDF, supplementary information PDF] doi:10.1093/biolinnean/blac065

Gerdzhikov, G., Plachiyski, D., Popgeorgiev, G., Avramov, S., Demerdzhiev, D., Daskalova, G., Shurulinkov, P., 2022. White-backed (Lilford’s) Woodpecker Dendrocopos leucotos lilfordi Sharpe & Dresser, 1871: Distribution and Population Density in Bulgaria. — North-Western Journal of Zoology 18 (1): 65—70. Article No.: e211601. [PDF]

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., Boev, Z., Dobrev, D., Nedyalkov, N., Petrov, T., 2022. Does Temporal and Spatial Diet Alteration Lead to Successful Adaptation of a Top Predator. — Diversity 2022, 14, 1000. doi:10.3390/d14111000 [PDF]

Demerdzhiev, D., Angelov, I., Dobrev, D., 2022. Foraging Patterns of Non-Territorial Eastern Imperial Eagle (Aquila heliaca): A Case of Successful Adaptation. — Diversity 14, 1060. doi:10.3390/d14121060 [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]

More complete list of publications — section e-Natura | Staff publications