Skip to Content

Boris Nikolov

снимка на Boris Nikolov

Personal information


Assoc. Prof. Boris P. Nikolov, PhD
Head of the Bulgarian Ornithological Centre
Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences
1 Tsar Osvoboditel Blvd.
1000 Sofia
Report a ringed bird at:

Research interests

Migration, breeding biology, ecology, behaviour, monitoring and conservation of birds

Current projects of supervised PhD students

Budget time and trophic relationships in migrating and wintering wader species feeding on the tidal zone of sand beaches along the Bulgarian Black Sea Coast (Liliana Vassileva, since 2019)

Breeding ecology of the Sombre Tit (Poecile lugubris) in a karst environment: population density, habitat preferences and interspecific relationships among Paridae family (Marta Dimitrova, since 2015)

Spatial distribution and breeding habitat characteristics of Golden Eagle (Aquila chrysaetos), Long-legged Buzzard (Buteo rufinus) and Peregrine Falcon (Falco peregrinus) in Balkan Mountain Range (Nadejda Djorgova, since 2013)

Trends in winter numbers of waterfowl birds (Anseriformes) in Bulgaria based on mid-winter counts and analysis of their origin based on the ringing recoveries (Radoslav Stanchev, since 2013)

Science organisations membership

European Union for Bird Ringing (EURING) – Board Member, Treasurer of EURING since 2014

African-European Section of the International Shrike Working Group

Migrant Landbird Study Group (MLSG)

International Bio-logging Society

Cooper Ornithological Society (USA) - free student membership (2004-2005)



Musitelli, F., Spina, F., Møller, A. P., Rubolini, D., Bairlein, F., Baillie, S. R., Clark, J. A., Nikolov, B. P., du Feu, C., Robinson, R. A., Saino, N., Ambrosini, R. 2019. Representing migration routes from re-encounter data: a new method applied to ring recoveries of barn swallows (Hirundo rustica) in Europe. Journal of Ornithology 160, 1: 249-264. DOI:

Tokarevich, N. K., Panferova, Yu. A., Freylikhman, O. A., Blinova, O. V., Medvedev, S. G., Mironov, S. V., Grigoryeva, L. A., Tretyakov, K. A., Dimova, T., Zaharieva, M. M., Nikolov, B., Zehtindjiev, P., Najdenski, H. 2018. Coxiella burnetii in ticks and wild birds. Ticks and Tick-borne Diseases (in press) DOI:

Najdenski, H., Dimova, T., Zaharieva, M. M., Nikolov, B., Petrova-Dinkova, G., Dalakchieva, S., Popov, P., Hristova-Nikolova, I., Zehtindjiev, P., Peev, S., Trifonova-Hristova, A., Carniel, E., Panferova, Y. A., Tokarevich, N. K. 2018. Migratory birds along the Mediterranean - Black Sea Flyway as carriers of zoonotic pathogens. Canadian Journal of Microbiology, 64, 12: 915-924. DOI:

Georgiev, K. B., Thorn, S, Zlatanov, T, Nikolov, B. P., Shurulinkov, P, Daskalova, G, Gottschalk, T. K. 2018. Evaluating the importance of managed forests as habitat for the Semi-collared Flycatcher (Ficedula semitorquata). Forest Ecology and Management, 419-420: 123-129. DOI:

Nikolov, B.. 2017. ESENIAS Factsheets: Psittacula krameri (Scopoli, 1769). In: Trichkova T., Uludağ A., Zenetos A., Vladimirov V., Tomov R. Cogălniceanu D. & Duplić A. (Eds.) 2017. ESENIAS Scientific Reports 2. East and South European Network for Invasive Alien Species – A tool to support the management of alien species in Bulgaria (ESENIAS-TOOLS). Sofia, Bulgaria. Available at:, IBER-BAS, ESENIAS, 2017

Trichkova T., Tomov R., Vladimirov V., Hubenov Z., Koshev Y., Nikolov B., Tzankov N., Stanchev R., Hardalova R. 2016. Alien species in Bulgaria: Policy, projects, research and awareness raising. Rat M., T. Trichkova, R. Scalera, R. Tomov, A. Uludag (Eds.), First ESENIAS Report: State of the Art of Invasive Alien Species in South-Eastern Europe. Publishers: UNS PMF, Novi Sad, Serbia, IBER-BAS, Sofia, Bulgaria, ESENIAS, 11-31.

Nikolov, B., Kralj, J., Legakis, A., Saveljic, D., Velevski, M. 2016. Review of the alien bird species recorded on the Balkan Peninsula. Rat M., T. Trichkova, R. Scalera, R. Tomov, A. Uludag (Eds.), First ESENIAS Report: State of the Art of Invasive Alien Species in South-Eastern Europe, UNS PMF, Novi Sad, Serbia, IBER-BAS, Sofia, Bulgaria, 189-201.

Bulgarian Red Data Book. Vol. 2. Animals. 2015. Second Edition. BAS & MOEW, Sofia – author and co-author of 15 bird species accounts.

Nikolov, B. 2012. Courtship-Display in Masked Shrike (Lanius nubicus, Lichtenstein 1823) – Undescribed Behaviour of a Bird Species from the Western Palearctic. Acta zoologica bulgarica, 64, 4: 397-402.

Nikolov, B., Hristova, I. 2009. Food-storing of slime mould in Siberian Jay Perisoreus infaustus during the post-breeding season. Ornis Svecica, 19: 59-61.

Nikolov, B. 2008. Chinese Grey Shrike Lanius sphenocercus. – In: del Hoyo, J., A. Elliott, D. A. Christie (eds.) Handbook of the Birds of the World. Volume 13: Penduline-tits to Shrikes. Lynx Edicions, Barcelona: 788.

Nikolov, B. 2008. Masked Shrike Lanius nubicus. – In: del Hoyo, J., A. Elliott, D. A. Christie (eds.) Handbook of the Birds of the World. Volume 13: Penduline-tits to Shrikes. Lynx Edicions, Barcelona: 794.

Nankinov, D., Ivanov, N., Nikolov, B., Dalakchieva, S., Gluhchev, G., Trifonov, D. 2008. Electro-Acoustic Influence on Birds. Cybernetics and Information Technologies, 7, 3: 106-111.

Nikolov, B., Nankinov, D., Dalakchieva, S., Popov, K., Ivanov, S. 2008. Sex Ratio, Biometrics and Fat Score of Migratory and Wintering Reed Buntings Emberiza schoeniclus (Aves: Passeriformes) in Bulgaria. Acta zoologica bulgarica, Suppl. 2: 111-118.

Nikolov, B., Hristova, I. 2007. Time-activity budgets of juvenile Woodchat Shrikes Lanius senator during the post-fledging period. Ardea, 95, 2: 235-241. DOI:

Nikolov, B., Hristova, I., Nikolov, S., Shurulinkov, P., Dutsov, A. 2006. Abnormally plumaged Woodchat Shrikes in Bulgaria, with notes on albino and aberrantly pale Laniidae worldwide. Dutch Birding, 28, 2: 90-95.

Nikolov, B. 2005. Reproductive success of the Woodchat Shrike (Lanius senator) in Western Bulgaria. Ornis Fennica, 82: 73-80.

Nikolov, B. 2004. Reproductive Rates of the Red-backed Shrike (Lanius collurio) (Aves: Laniidae) in the Sofia Region, Western Bulgaria. Acta zoologica bulgarica, 56, 1: 75-82.

Nikolov, B. P., Kodzhabashev, N .D., Popov, V. V. 2004. Diet composition and spatial patterns of food caching in wintering Great Grey Shrikes (Lanius excubitor) in Bulgaria. Biological Letters, 41, 2: 119-133.

Nikolov, B. 2000. An investigation of nest building and nests of the Red-backed Shrike (Lanius collurio) in Bulgaria. Ring, 22, 1: 133-146.

Hristov, I., Nikolov, B., Sarov, M. 1999. The white-tailed plover (Vanellus leucurus Lichtenstein 1823) – a new species for Bulgaria. Acta zoologica bulgarica, 51, 2-3: 131-132.

Nankinov, D., Shurulinkov, P., Nikolov, I., Nikolov, B., Dalaktchieva, S., Hristov, I., Stanchev, R., Rogev, A., Dutsov, A., Sarov, M. 1998. Studies of the waders (Charadriiformes) on the wetlands around Sofia (Bulgaria). Rivista italiana di Ornitologia, 68, 1: 63-83.


Animal Diversity and Resources
Biodiversity, Population Biology and Resources of Vertebrates
Research group
Bulgarian Ornitological Centre


Член от
11 години 2 седмици