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Ivaylo Angelov. Photo: (c) Ivaylo Angelov
Ivaylo Angelov

Ivaylo Angelov

(Dr)
phone: (+359 88) 5450812; e-mail:

Born 12 January 1982, Haskovo.
Education: Sofia University St Kliment Ohridski, Biological Faculty, BSc, speciality biology (2005), MSc, speciality zoology of vertebrates (2009); 2021—2023 — National Museum of Natural History, Sofia, PhD candidate, speciality zoology of vertebrates.


Research interests


Diurnal birds of prey: distribution, biology, population ecology, limiting factors in breeding and wintering areas and along the migratory route, interspecific relationships, cliff-nesting raptors, human-wildlife conflict, conservation.

Current projects


“Habitat characteristics of Golden Eagles territories in Bulgaria and testing the feasibility for individual identification of unmarked Golden Eagles by trap cameras in nests”. Postdoc researcher at the National Museum of Natural History, Bulgarian Academy of Sciences.
“Population number, age structure and diet of the Golden Eagle (Aquila chrysaetos Linnaeus, 1758) in Bulgaria”. Defended PhD thesis at the National Museum of Natural History, Bulgarian Academy of Sciences (2021—2023).
Reintroduction of Cinereous Vultures Aegypius monachus in the Eastern Rhodopes, Bulgaria.
Breeding survey of Egyptian Vultures Neophron percnopterus on Masirah island, Oman. In cooperation with the Environment Society of Oman.

Field experience


Bulgaria (since 1997), Greece (2005, 2009), China (2006), Turkey (2007, 2008, 2009, 2010, 2016), Ethiopia (2009, 2010), Sudan (2010), Oman (2012, 2019, 2024), Kenya (2012), Lebanon (2019).

Most recent publications


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.

Angelov, I., 2024. Exceptionally Low Proportion of Adult Pairs and Male-Skewed Adult Sex Ratio in a Declining Population of the Golden Eagle Aquila chrysaetos (L., 1758) (Accipitriformes: Accipitridae). — Acta zoologica bulgarica. [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. doi:10.19074/1814-8654-2023-2-32-34 [PDF]

Angelov, I., Ming, M., Dixon, A., 2023. Breeding dispersion of raptors in the Junggar basin, Xinjiang, China with observations on close-nesting by Saker Falcon (Falco cherrug) and Golden Eagle (Aquila chrysaetos). — Journal of raptor research, 57 (4): 676—679. [PDF]

Angelov, I., 2023. Studying the nesting biology of Golden eagles (Aquila chrysaetos) by use of a trap camera. — Poster presentation in Third International scientific practical conference “Eagles of the Palearctic: Study and Conservation”, Almaty, Kazakhstan. 24—29.IX.2023. [PDF]

Angelov, I., 2023. An understudied cause of the population decline of the Egyptian Vulture (Neophron percnopterus): a perspective. — Acta zoologica bulgarica, Supplement 17: 75—79. [PDF]

Angelov, I., 2023. A first detailed description of building a new nest and new data on the courtship behaviour of golden eagle. — Raptor Journal, 17 (1): 29—34. [PDF]

Ангелов, И., 2023. За скалния орел. — Природа, 1: 28—33. [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]


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