
Demerdzhiev, D., Dobrev, D., Delchev, A., Iliev, M., Georgiev, G., Terziev, N., Angelov, I., Arkumarev, V., 2025. Temporally determinate, but spatially consistent breeding performance of Lesser Spotted Eagle (Clanga pomarina) along the southern periphery of its distribution. — Diversity, 17 (8): 566. [PDF]
Angelov, I., Klisurov, I., Stoyanov, G., Gradinarov, D., Stoynov, E., Arkumarev, V., Zhisov, P., Yordanov, E., Dimchev, I., Dobrev, D., Mladenov, V., Dobrev, V., Stamenov, A., Vasilev, V., Iliev, M., Peshev, H., Demerdzhiev, D., Stanchev, S., Petrov, P., Yovchev, G., Kolchagov, R., 2025. Drones revolutionize the monitoring of notoriously difficult to study raptors: breeding performance of Golden Eagles (A. chrysaetos) in Bulgaria. — Poster presentation at BalkanBio conference, 30—31 Oct., Plovdiv University, Plovdiv, Bulgaria. [PDF]
Daskalova, G., Shurulinkov, P., Klisurov, I., Angelov, I., Demerdzhiev, D., Petrov, R., 2024. Observations on the behavior of the saker falcon (Falco cherrug) breeding in Bulgaria. — Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa”, 67 (1): 153—165. [PDF]
Angelov, I., Ragyov, D., Stoyanov, G., Koychev, V., Tonchev, B., Shurulinkov, P., Demerdzhiev, D., Stoynov, E., Dimchev, I., Gradinarov, D., Hristov, H., Dobrev, D., Arkumarev, V., Vassilev, V., Klisurov, I., Dobrev, V., Kurtev, M., Yotsova, T., Daskalova, G., Nikolov, B., Stoychev, S., Profirov, L., Iankov, P., Petrov, T., 2024. Status of the Golden Eagle in Bulgaria. — In: Bautista-Rodríguez, J., Ellis, D. H. (eds). The Golden Eagle around the world. Hancock House Publishers.
Qaneer, T., Demerdzhiev, D., 2023. First Data on Bird Electrocution in Jordan, with Comments on the Undertaken Conservation Efforts. — Acta Zoologica Bulgarica, Supplement 17: 59—66. [PDF]
Dobrev, D., Dobrev, V., Demerdzhiev, D., 2023. Conservation and Ecology of Raptors: Introduction to the Special Issue. — Diversity, 15 (8): 889 https://doi.org/10.3390/d15080889 [PDF]
Demerdzhiev, D., Boev, Z., 2023. Assoc. Prof. Dr. Tseno Petrov and the modern Bulgarian ornithology (A bio-bibliography of an honored Bulgarian ornithologist on occasion of his 80th anniversary). — Bulletin of the Natural History Museum, Plovdiv, 8: 1—21. [PDF]
Demerdzhiev, D. A., Dobrev, D. D., Erkol, I. L., Hanay, M., Delchev, A. G., Dobrev, V. D., Stoychev, S. A., 2023. Distribution, Population Status, Ecology, and Conservation of Eastern Imperial Eagle in Thrace Ecoregion (Bulgaria and Turkey). — Proceedings of Conferences Raptors Conservation 2023, Suppl. 2: 287—289. https://doi.org/10.19074/1814-8654-2023-2-287-289 [PDF]
Demerdzhiev, D. A., Dobrev, D. D., Delchev, A. G., Angelov, I. D., Terziev, N. G., Iliev, M. D., Georgiev, G. S., Boev, Z. N., Nedyalkov, N. P., Arkumarev, V. S., 2023. Distribution, population status, habitats, and conservation of Lesser Spotted Eagle in Bulgaria. — Proceedings of Conferences Raptors Conservation 2023, Suppl. 2: 32—34. https://doi.org/10.19074/1814-8654-2023-2-32-34 [PDF]
Demerdzhiev, D. A., Dobrev, D. D., Boev, Z. N., Nedyalkov, N. P., Delchev, A. G., Stoychev, S. A., Petrov, T. H., 2023. Grassland alterations do not affect breeding success, but lead to dietary shifts of Eastern Imperial Eagle, a top predator: a case of successful adaptation. — Proceedings of Conferences Raptors Conservation 2023, Suppl. 2: 290—294. https://doi.org/10.19074/1814-8654-2023-2-290-294 [PDF]