Skip to Content

Dimitar Ragyov

Dimitar Ragyov's picture

Personal information


Dimitar Ragyov
Bulgarian Academy of Sciences
Institute of Biodiversity and Ecosystem Research
Bulgaria, Sofia 1113,Yurii Gagarin str. 2
Mobile: +359 898 58 55 53; Fax: +359 2 870 54 98;

Curriculum vitae

Date and place of birth: 30.12.1976, Sofia


2008 – 2008 School of Conservation Biology, Croatian Biological Society - Rovinj, Croatia
1996 – 2000 Master of science, Forestry department, Forestry University – Sofia, Bulgaria
1993 – 1996 Technical School of Communications – Sofia, Bulgaria


2010-2014 Institute of Biodiversity and Ecosystem Research – Bulgarian Academy of Sciences. Assistant
2006 – 2010 Central Laboratory of General Ecology – Bulgarian Academy of Sciences. Biologist
2003 – 2006 Institute of Zoology - Bulgarian Academy of Sciences, Sofia. Ecologist

Recent Projects:

2014 – 2020 The Saker falcon: research and conservation. Project leader
2011 – 2014 Reintroduction of Saker falcon in Bulgaria. Project leader
2010 – 2014 Southeast European Saker falcon Network (SESN). Project Leader
2011 – 2013 Impact of Trakiya highway traffic on biodiversity in the section between the town of Pazardzhik and the town of Plovdiv. Expert
2013 – 2013 Potential of Zlatisko-Pirdopsko pole region for implementation of biodiversity conservation projects. Expert
2013 – 2013 Preparation of a report to the European Commission about the wild birds population status for 2007-2012. Expert
2013 – 2013 Choice of executor for assessment and control of quality of the data of mapping and conservation status assessment of habitats and minimizing the risk for wild birds. Expert
2012 – 2012 Mapping and conservation status assessment of habitats and minimizing the risk for wild birds: collaborator – phase І”: Lot 2 „Fish”; Lo 3 „Amphibians and reptiles”;№ 4 „Mamals without bats”. Expert
2009 – 2013 Conservation of Imperial Eagle and Saker Falcon in key Natura 2000 sites in Bulgaria" or “Save the Raptors”. Expert
2009 – 2010 Factors determining the Saker falcon breeding behavior in Central Mongolia. Expert
2010 – 2012 Support and management of European Ground Squirel colonies in Central Balkan National Park, Bulgaria. Project leader
2010 – 2010 Impact assessment of low-voltage electricity network on birds of prey in a key site for future Saker falcon reintroduction. Project leader
2008 – 2009 NATURA 2000 Project. Expert
2003 – 2006 Studies of passerine bird migration. Collaborator
2003 – 2006 Breeding and reintroduction of rare and threatened bird species – Ruddy Shelduck /Tadorna Ferruginea/, Great Bustard /Otis tarda/, Ferruginous Duck /Aythia niroca/. Collaborator


Union in Scientists of Bulgaria

Research interests

zoology, ecology, biodiversity: birds, mammals, amphibians and reptiles


Nedialkov N., D. Ragyov, Z. Boev, A. Dixon (2012) Diet of the Saker falcon (Falco cherrug) in Moldova and Ukraine. In: Program and Abstracts of International Conference on Zoology “50 years Department of Zoology”, University of Plovdiv, Faculty of Biology, October 8-10, 2012, Hissar, Bulgaria, 136pp. ISBN: 978-954-423-794-3. (poster and abstract in proceedings)

Kambourova-Ivanova N., Y. Koshev, G. Popgeorgiev, D. Ragyov, M. Pavlova, I. Mollov, N. Nedialkov (2012) Effect of traffic on mortality of amphibians, reptiles, birds and mammals on two types of roads between Pazardzhik and Plovdiv region (Bulgaria) – Preliminary Results. – Acta Zoologica Bulgarica, 64 (1): 57-67. ISSN: 0324-0770

Iankov P., G. Stoyanov, D. Ragyov (2013) Action plan for Saker Falcon (Falco cherrug Gray, 1834) Conservation in Bulgaria 2013-2022, MoEW, Sofia, 120 p.

Ragyov D. & A. Dixon (2013) Returning the Saker Falcon to Bulgaria. The Falconers & Raptor Conservation Magazine. 93:22-4

Ragyov D., Y. Koshev, E. Kmetova, G. Gradev, G. Stoyanov, I. Stoev & D. Marinov (2012) Preparatory activities for Saker Falcon (Falco cherrug) reintroduction in Bulgaria: habitat management and electrocution risk assessment. Aquila, Vol. 119, p. 91–103

Ragyov D., E. Kmetova, A. Dixon, K. Franz, Y. Koshev and N. Nedialkov (2009) Saker Falcon Falco cherrug Reintroduction in Bulgaria: Feasibility Study. SESN. Sofia, 2009.

Ragyov D., L. Popova-Wightman, K. Popov, S. Dalakchieva, B. Nikolov and I. Nikolov (2003) The first Yellow-billed Stork Mycteria ibis in Bulgaria. Sandgrouse, 25(1):53-64.

Shurulinkov P., D. Ragyov, M. Ilieva (2003) From the ornithological notebook – Dalmatinian Pelican /Pelicanus crispus/; Acrocephalus 24 (116): 31-43, 2003

Shurulinkov P., M. Ilieva, D. Ragyov, T. Zlatanov, J. Day. (2003) From the ornithological notebook – Tundar swan /Cygnus columbianus bewickii/; Acrocephalus 24 (116): 31-43, 2003

MaMing M., T. Leilei, W. Yi-Qun, ChenYing, XuFeng, A. Dixon, E. Potapov, I. Angelov, D. Ragyov, and I. Balazs (2006) The Saker Falcon in the desert of North Xinjiang, China. Raptors Conservation 6:58-64.

Ragyov D. & V. Shishkova (2006) Saker falcon in Bulgaria: past, present and future. Falco 27: 4-8

Yi-Qun W., M. Ming, X. Feng, A. Dixon and D. Ragyov (2006) Feeding habits analysis of Saker falcon and the effect of raptor on prevention mouse population. Journal of Xinjiang Agriculture University. 29(2):13-16

Ming M., Y. Shoujing, X. Feng, A. Dixon and D. Ragyov (2006) Survey on Mongolian Ground Jay in Xinjiang. Chinese journal of zoology 41 (2): 135

Nikolov S., D. Ragyov, L. Linnartz, D. Gradinarov & V. Shishkova (2008) Recent observation of the Scarlet Rosefinch Carpodacus erythrinus in Bulgaria. Acrocephalus 29 (136): 55−57, 2008

Ragyov D. (2004) Ringing activities and orientation experiments in two temporary stations in Bulgaria – general report. 6th SEEN Workshop, Feb. 6-8, 2004, Istanbul, Turkey

Ragyov D. (2004) Results of the orientation tests in spring and autumn in different experimental conditions. 6th SEEN Workshop, Feb. 6-8, 2004, Istanbul, Turkey

Ragyov D, D. Demerdjiev and I. Angelov (2008) Peregrine (Falco peregrinus) in Bulgaria – general review. In: Sielicki, J. and T. Mizera (ed.). 2008. Peregrine Falcon Populations – status and perspectives in the 21st century. Turul, Warsaw, in press

Shurulinkov P, I. Hristov , K. Hristov, I. Nikolov , B. Nikolov , S. Velkov, H. Dinkov, A. Ralev, N.Chakarov, D. Ragyov , R. Stanchev, L. Spassov, I. Hristova (2007) Birds of Dragoman marsh and Chepun hills, W-Bulgaria – checklist, status and recent development of water birds populations J. Balkan Ecology, 2007. 10 (3). 251-264

Ragyov D. & M. Aleksandrova (2007) The White Stork in Pernik Destrict. In: Ts. Petrov (main. ed.). The White Stork (Ciconia ciconia) in Bulgaria, II. Bulgarian Society for the Protection of Birds, Conservation Series, Book 12, BSPB, Plovdiv, p. 45-54

Ragyov D. & A. Dixon (2008) The Saker Falcon (Falco cherrug) in Bulgaria: a case for reintroduction? Symposium “Avian Reintroduction Biology: current issues for science and management”, 08-09 May 2008, London, United Kingdom (abstract of poster presentation in proceedings)

Ragyov D., Z. Ayas, M. Deli, A. Dixon (2008) An assessment of the population status of breeding Saker Falcons in Turkey. Symposium “Documenting, Analysing, and managing Biodiversity in the Middle East”, 20-23 October 2008, Aman, Jordan (abstract of poster in proceedings)

Yi-Qun W., M. Ming, X. Feng, D. Ragyov, J. Shergalin, L. Nai-Fa and A. Dixon (2008) Breeding biology and diet of the Long-legged Buzzard Buteo rufinus in the Eastern Jungar Basin of Northwestern China. J. Raptor Research. 42 (4): 273-280. 2008

Yi-Qun W., M. Ming, X. Feng, A. Dixon,D. Ragyov (2006) Research on reproduction bionomics of long-legged buzzard at Eastern Junggar Basin, Xinjiang. Arid Land Geography. April 2006. 29 (2). 225-229

Ming M., Y. Mei, E. Potapov, W. Yi-Qun, A. Dixon, D. Ragyov, X. Feng, N. Fox (2007) Breeding biology of Saker Falcon Falco cherrug and protection plan in Tibet, Qinghai and Xinjiang, the west of China. Arid Land Gepography. September 2007. 30 (5). 654-659

Ragyov D. & A. Dixon (2008) Reintroduction of the Saker Falcon in Bulgaria. Falco 32: 21-22

Ragyov D. & V. Ferdinandova (2008) Black Stork Ciconia nigra (L) in Bulgaria. International Conference on Black Stork Ciconia nigra, 04-06 April 2008, Uzlina, Romania (abstract of oral presentation)

Dixon A., D. Ragyov, Z. Ayas, M. Deli, D. Demerdzhiev, I. Angelov, E. Kmetova & N. Nedyalkov (2009) Population status of breeding Saker Falcons (Falco cherrug) in Turkey. Avian Biology Research, 2 (4), 213-220

Domashevsky, S., V. Vetrov, D. Ragyov & A. Dixon (2008) A case of the Saker (Falco cherrug J.E. Gray) incubating a clutch of the Kestrel (Falco tinnunculus L.). In: Modern Study of Birds of Prey and Owls. Materials of III International Scientific Conference “Birds of Prey and Owls”. Kryvyi Rih, 24-25 October 2008. - Kryvyi Rih, 2008. – 420p

Dixon A., G., Purev-Ochir & D. Ragyov (2010) Saker Falcon laying seven eggs in Mongolia. Falco 36: 4-5

Nikolov B., G. Stoyanov, D.Ragyov, P. Shurulinkov, & I. Nikolov (2008) High-altitude records of the Great Grey Shrike Lanius excubitor in Bulgaria during migration and winter. Acrocephalus 29 (138/139): 185–186, 2008

Kmetova E., D. Ragyov, A. Dixon (2010) The return of the Saker falcon in Bulgaria – a dream or a challenge that can be achieved? An ex-situ perspective (abstract in procceedings)

Ragyov D. & A. Dixon (2010) Wanted: saker falcons of European origin for reintroduction programme. IAF Newsletter. Summer 2010. 70p.

Munteanu A., N. Zubkov, V. Tsurkanu, D. Ragyov (2010) On the monitoring of Saker Falcon nesting in Republic of Moldova. Bulletin Academiei de Stiinte a Moldove: Stiintele Vietii. 2010. 1 (310) 77-83

Ragyov R., A. Dixon, K. Kowalczyk (2010) Re-introduction of the saker falcon to Bulgaria, South-East Europe. In: Soorae, P. S. (ed.) (2010) GLOBAL RE-INTRODUCTION PERSPECTIVES: Additional case-studies from around the globe. IUCN/ SSC Re-introduction Specialist Group, Abu Dhabi, UAE, xii + 352 pp. ISBN: 978-2-8317-1320-5

Ragyov, D., G. Stoyanov, V. Kojchev, A. Stanchev (2011) Attitudes of pigeon keepers to the reintroduction of Saker Falcons in Bulgaria. Falco 37: 6-9

Ragyov D. (2010) Southeast European Saker falcon Network: Scope and Findings. In: Conference proceedings “LIFE06 NAT/H/000096 Conservation of Falco cherrug in the Carpathian basin” 16-18 September 2010, Bükk National Park Directorate 3304 EGER, Sánc u. 6. Hungary” (abstract of oral presentation)


Ecosystem Research, Environmental Risk Assessment and Conservation Biology
Community Ecology and Conservation Biology
Research group
Conservation Biology


Member for
9 years 20 weeks