Beyond borders: A decade of change in Europe’s Saker Falcon (Falco cherrug Gray, 1834) population (2012–2022)
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References
- Ajder, V., Ursul, S. & Baltag, E. Ș. 2025. The Saker Falcon
(Falco cherrug) status in the Republic of Moldova. – Ornis Hungarica 33(1): 177–187. DOI: 10.2478/orhu-2025-0010 - Bagyura, J., Prommer, M., Cserkész, T., Váczi, M. & Tóth, P. 2017. Reasons behind the population changes of the Saker Falcon
(Falco cherrug) in Hungary in the past 120 years, in particular with regard to the period between 2007 and 2018. – Heliaca 2017: 49. - Bagyura, J., Prommer, M. & Szitta, T. 2022. Kerecsensólyom
Falco cherrug J. E. Gray, 1834. – In: Haraszthy, L. & Bagyura, J. (eds.) Magyarország ragadozómadarai és baglyai (Vol. 2) [Raptors and Owls of Hungary]. – Magyar Madártani és Természetvédelmi Egyesület, Budapest (in Hungarian) - Bagyura, J., Szitta, T., Deák, G., Fidlóczky, J., Haraszthy, L., Prommer, M., Solti, B., Tihanyi, G. & Horváth, M. 2025. Population trend and diet of Saker Falcons (Falco cherrug) in Hungary between 1980 and 2023. – Ornis Hungarica 33(1): 70–97. DOI: 10.2478/orhu-2025-0004
- Bagyura, J., Szitta, T., Haraszthy, L., Viszló, L., Fidlóczky, J. & Prommer, M. 2012. Results of the Saker Conservation Programme in Hungary, 1980–2010. – Aquila 119: 105–110.
- Baumgart, W. 1991. Der Sakerfalke, 3. [Saker Falcon]. – Ziemsen Verlag, Wittenberg (in German)
- BirdLife International 2021a
Falco cherrug (Europe assessment). – Publications Office of the European Union, Luxembourg DOI: 10.2779/967570 - BirdLife International 2021b
Falco cherrug . – The IUCN Red List of Threatened Species 2021: e.T22696495A204182473. DOI: 10.2305/IUCN.UK.2021-3.RLTS.T22696495A204182473.en - Bold, B., Purev-Ochir, G., Saruul, A., Rahman, L. M., Batbayar, N., Zhan, X. & Dixon, A. 2023. Influence of Prey Availability on Home Range Size of Saker Falcons Provisioning Nestlings in Mongolia. – Raptor Research Foundation, Annual Conference. Albuquerque
- Botha, A. J., Andevski, J., Bowden, C. G. R., Gudka, M., Safford, R. J., Tavares, J. & Williams, N. P. 2017. Multi-species Action Plan to Conserve African-Eurasian Vultures. – CMS Raptors MOU Technical Publication No. 5. CMS Technical Series No. 35. Coordinating Unit of the CMS Raptors MOU, Abu Dhabi, United Arab Emirates
- Cade, T. J. 1982. The Falcons of the World, 1st ed. – Cornell University Press
- Cade, T. J., White, C. M. & Haugh, J. R. 1968. Peregrines and pesticides in Alaska. – Condor 70(2): 170–178. DOI: 10.2307/1365960
- Chavko, J. & Deutschová, L. 2012. Population of Saker Falcon
(Falco cherrug) in Western Slovakia between 1976 and 2010. – Aquila 119: 57–64. - Chavko, J., Lipták, J., Gális, M. & Slobodník, R. 2025. Distribution, abundance and breeding of the Saker Falcon in Slovakia in 1976–2022. – Ornis Hungarica 33(1): 110–126. DOI: 10.2478/orhu-2025-0006
- Chavko, J., Obuch, J., Lipták, J., Slobodník, R. & Baláž, M. 2019. Changes in nesting habitat of the Saker Falcon
(Falco cherrug) influenced its diet composition and potentially threatened its population in Slovakia in the years 1976–2016. – Raptor Journal 13(1): 75–104. DOI: 10.2478/srj-2019-0009 - Chavko, J., Slobodník, R., Deutschová, L., Lipták, J., Mihók, J., Obuch, J. & Nemcek, V. 2014. The Saker Falcon
(Falco cherrug) population, diet and nest boxes in Slovakia: LIFE-project report 2011–2014. – Slovak Raptor Journal 8: 73–86. DOI: 10.2478/srj-2014-0009 - Cox, B. C., Moore, P. D. & Ladle, R. J. 2016. Biogeography: An Ecological and Evolutionary Approach, 9th ed. – John Wiley & Sons
- DeWoody, J. A., Harder, A. M., Mathur, S. & Willoughby, J. R. 2021. The long-standing significance of genetic diversity in conservation. – Molecular Ecology 30(17): 4147–4154. DOI: 10.1111/mec.16051
- Dixon, A. 2007. Saker Falcon breeding population estimates. Part 1: Europe. – Falco 29: 4–12.
- Dixon, A., Ragyov, D., Izquierdo, D., Weeks, D., Rahman, Md. L. & Klisurov, I. 2020. Movement and survival of captive-bred Saker Falcons
Falco cherrug released by wild hacking: Implications for reintroduction management. – Acta Ornithologica 54(2): 157–170. DOI: 10.3161/00016454AO2019.54.2.003 - Fântână, C., Veres-Szászka, J., Szabó, J., Bugariu, S., Todorov, E., Drăgan, D., Damoc, D., Veres-Szászka, N., Domșa, C., Pui, A., Benkő, Z. & Pál, L. 2025. The Saker Falcon
(Falco cherrug) in Southern Romania: population, trend and habitat requirements in the breeding season. – Ornis Hungarica 33(1): 159–176. DOI: 10.2478/orhu-2025-0009 - Franke, A., Falk, K., Hawkshaw, K., Ambrose, S., Anderson, D. L., Bente, P. J., Booms, T., Burnham, K. K., Ekenstedt, J., Fufachev, I., Ganusevich, S., Johansen, K., Johnson, J. A., Kharitonov, S., Koskimies, P., Kulikova, O., Lindberg, P., Lindström, B-O., Mattox, W. G., McIntyre, C. L., Mechnikova, S., Mossop, D., Møller, S., Nielsen, Ó. K., Ollila, T., Østlyngen, A., Pokrovsky, I., Poole, K., Restani, M., Robinson, B. W., Rosenfield, R., Sokolov, A., Sokolov, V., Swem, T. & Vorkamp, K. 2020. Status and trends of circumpolar Peregrine Falcon and Gyrfalcon populations. – Ambio 49: 762–783. DOI: 10.1007/s13280-019-01300-z
- Gamauf, A. & Dosedel, R. 2012. Satellite telemetry of Saker Falcons
(Falco cherrug) in Austria: juvenile dispersal at the westernmost distribution limit of the species. – Aquila 119: 65–78. - Hegyeli, Z., Bagyura, J., Bărbos, L., Daróczi, S., Fülöp, A., Marton, A., Prommer, M., Zeitz, R. & Nagy, A. 2017. A kerecsensólyom
(Falco cherrug) helyzete Románia nyugati részén [Status of the Saker Falcon(Falco cherrug) in western Romania]. – Heliaca 15: 22–31. (in Hungarian) - Hu, L., Long, J., Lin, Y., Gu, Z., Su, H., Dong, X., Lin, Z., Xiao, Q., Batbayar, N., Bold, B., Deutschová, L., Ganusevich, S., Sokolov, V., Sokolov, A., Patel, H. R., Waters, P. D., Graves, J. A. M., Dixon, A., Pan, S. & Zhan, X. 2022. Arctic introgression and chromatin regulation facilitated rapid Qinghai-Tibet Plateau colonization by an avian predator. – Natur Communication 13: 6413. DOI: 10.1038/s41467-022-34138-3
- Hungarian Bird Ringing Centre 2023. Kerecsensólyom gyűrűzési-visszafogási adatok [Saker Falcon ringing and recapturing data]. – MME-Birdlife Hungary (in Hungarian)
- Ismailov, I. V., Dzhamirzoev, G. S. & Bukreev, S. A. 2008. Additional data on the distribution of falcons in the Eastern Caucasus. – In: Galushin, V. M., Melnikov, V. N., Chudnenko, D. E. & Sharikov, A. V. (eds.) Study and Protection of Birds of Prey of Northern Eurasia. – Proceedings of the V. International Conference on Birds of Prey of Northern Eurasia, Ivanovo State University, Ivanovo, pp. 239–241.
- Karyakin, I. 2005. Saker Falcon in East Europe – stay in one step to tragedy. – Raptors Conservation 2: 12–20.
- Karyakin, I. 2008. Saker Falcon in Russia. – Raptors Conservation 12: 28–47.
- Karyakin, I. 2021. Saker Falcon
Falco cherrug (Gray, 1834). – In: Pavlov, D. S., Amirkhanov, A. M. & Rozhnov, V. V. (eds.) Red Data Book of the Russian Federation. – All Russian Research Institute for Environmental Protection, Moscow, pp. 653–655. - Karyakin, I. V., Nikolenko, E. G. & Shnayder, E. P. 2023. Современный статус балобана в России и в Казахстане [Current status of the Saker Falcon in Russia and Kazakhstan]. – Raptors Conservation (Suppl.2): 450–458. DOI: 10.19074/1814-8654-2023-2-450-458 (in Russian with English Summary)
- Karyakin, I. V., Knizhov, K. I., Nikolenko, E. G., Shiriaev, O. V., Pulikova, G. I. & Kaptyonkina, A. G. 2022. Saker Falcon in the Karatau Mountains and surrounding territories (Kazakhstan) – results of 2022 research. – Raptors Conservation 45: 32–83. DOI: 10.19074/1814-8654-2022-45-32-83
- Karyakin, I. V. & Nikolenko, E. G. 2015. Saker Falcon on the Crimean Peninsula. – Raptors Conservation 31: 103–129. DOI: 10.19074/1814-8654-2015-31-103-129
- Kéry, M., Banderet, G., Müller, C., Pinaud, D., Savioz, J., Schmid, H., Werner, S. & Monneret, R. J. 2021. Spatio-temporal variation in post-recovery dynamics in a large Peregrine Falcon
(Falco peregrinus) population in the Jura mountains 2000–2020† – Ibis 164(1): 217–239. DOI: 10.1111/ibi.12999. - Kleinstäuber, G., Kirmse, W. & Langgemach, T. 2018. Nesting habitat selection of Peregrine Falcons
(Falco p. peregrinus) in Eastern Germany – the state of knowledge. – Ornis Hungarica 26(2): 259–273. DOI: 10.1515/orhu-2018-0034 - Klisurov, I. 2022. A second pair of Saker Falcons was registered on the territory of Bulgaria. – News. Bulgarian Society for the Protection of Birds. –
https://bspb.org/en/%D0%B0-second-pair-of-saker-falcons-was-registered-on-the-territory-of-bulgaria/ - Kovács, A., Williams, N. P. & Galbraith, C. 2014. Saker Falcon
Falco cherrug Global Action Plan (SakerGAP), including a management and monitoring system, to conserve the species. – CMS Raptors MoU Technical Publication No. 2. CMS Technical Series No. 31. Coordinating Unit – CMS Raptors MoU, Abu Dhabi, United Arab Emirates - Lambertucci, S. A., Alarcón, P. A. E., Hiraldo, F., Sanchez-Zapata, J. A., Blanco, G. & Donázar, J. A. 2014. Apex scavenger movements call for transboundary conservation policies. – Biological Conservation 170: 145–150. DOI: 10.1016/j.biocon.2013.12.041
- Lazarova, I., Petrov, R., Andonova, Y., Klisurov, I. & Dixon, A. 2021. Re-introduction of the Saker Falcon
(Falco cherrug) in Bulgaria – preliminary results from the ongoing establishment phase by 2020. – Biodiversity Data Journal 9: e63729. DOI: 10.3897/BDJ.9.e63729 - Markandya, A., Taylor, T., Longo, A., Murty, M. N., Murty, S. & Dhavala, K. 2008. Counting the cost of vulture decline – An appraisal of the human health and other benefits of vultures in India. – Ecological Economics 67(2): 194–204. DOI: 10.1016/j.ecolecon.2008.04.020
- Mattsson, B. J., Mateo-Tomás, P., Aebischer, A., Rösner, S., Kunz, F., Schöll, E. M., Åkesson, S., De Rosa, D., Orr-Ewing, D., Bodega, D. de la, Ferrer, M., Gelpke, C., Katzenberger, J., Maciorowski, G., Mammen, U., Kolbe, M., Millon, A., Mionnet, A., Puente, J. de la, Raab, R., Vyhnal, S., Ceccolini, G., Godino, A., Crespo-Luengo, G., Sanchez-Agudo, J. A., Martínez, J., Iglesias-Lebrija, J. J., Ginés, E., Cortés, M., Deán, J. I., Calmaestra, R. G., Dostál, M., Steinborn, E. & Viñuela, J. 2022. Enhancing monitoring and transboundary collaboration for conserving migratory species under global change: The priority case of the Red Kite. – Journal of Environmental Management 317: 115345. DOI: 10.1016/j.jenvman.2022.115345
- McClure, C. J. W., Westrip, J. R. S., Johnson, J. A., Schulwitz, S. E., Virani, M. Z., Davies, R., Symes, A., Wheatley, H., Thorstrom, R., Amar, A., Buij, R., Jones, V. R., Williams, N. P., Buechley, E. R. & Butchart, S. H. M. 2018. State of the world’s raptors: Distributions, threats, and conservation recommendations. – Biological Conservation 227: 390–402. DOI: 10.1016/j.biocon.2018.08.012
- Milobog, Y. V. 2012. Соколоподібні степової зони України: видовий склад, територіальне поширення, динаміка чисельності та охорона [Falconiformes of the steppe zone of Ukraine: species composition, territorial distribution, population dynamics, and conservation]. – Kryvvi Rih National University, Kryvvi Rih (in Ukrainian)
- Milobog, Y. V., Vetrov, V. V., Strigunov, V. I. & Belik, V. P. 2010. Балобан (
Falco cherrug Gray) в Украине и на сопредельных территориях [The Saker Falcon (Falco cherrug Gray) in Ukraine and adjacent areas]. – Branta: Transactions of the Azov-Black Sea Ornithological Station 13: 135–159. (in Ukrainian) - Montgomery, D. C., Peck, E. A. & Vining, G. G. 2021. Introduction to linear regression analysis (6th ed). Wiley.
- Nagy, S. & Demeter, I. 2006. Saker Falcon: European Single Species Action Plan. – Council of Europe, Strasbourg
- Nemček, V., Chavko, J. & Deutschová, L. 2014. Movement of satellite-tracked juvenile Saker Falcons
(Falco cherrug) in SW Slovakia. – Slovak Raptor Journal 8(2): 97–103. DOI: 10.2478/srj-2014-0011 - Nikolenko, E. G., Karyakin, I. V. & Levin, A. S. 2014. Root causes of the decreasing in numbers of the Saker Falcon and ways of its decision within the Saker Falcon Global Action Plan in Russia and Kazakhstan. – Raptors Conservation 29: 18–38. DOI: 10.19074/1814-8654-2014-29-18-38
- Ogada, D., Virani, M. Z., Thiollay, J. M., Kendall, C. J., Thomsett, S., Odino, M., Kapila, S., Patel, T., Wairasho, P., Dunn, L. & Shaw, P. 2022. Evidence of widespread declines in Kenya’s raptor populations over a 40-year period. – Biological Conservation 266: 109361. DOI: 10.1016/j.biocon.2021.109361
- Orta, J., Boesman, P. F. D., Sharpe, C. & Marks, J. S. 2020. Saker Falcon
(Falco cherrug) . – In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D. & de Juana, E. (eds.) Birds of the World. – Cornell Lab of Ornithology DOI: 10.2173/bow.sakfal1.01 - Pan, S., Zhang, T., Rong, Z., Hu, L., Gu, Z., Wu, Q., Dong, S., Liu, Q., Lin, Z., Deutschova, L., Li, X., Dixon, A., Bruford, M. W. & Zhan, X. 2017. Population transcriptomes reveal synergistic responses of DNA polymorphism and RNA expression to extreme environments on the Qinghai-Tibetan Plateau in a predatory bird. – Molecular Ecology 26(11): 2993–3010. DOI: 10.1111/mec.14090
- Peel, M. C., Finlayson, B. L. & McMahon, T. A. 2007. Updated world map of the Köppen-Geiger climate classification. – Hydrology and Earth System Sciences 11(5): 1633–1644. DOI: 10.5194/hess-11-1633-2007
- Prommer, M. & Bagyura, J. 2015. Habitat loss due to and vertical avoidance of wind farms: Preliminary results of a study on Saker Falcons’
(Falco cherrug) habitat use in relation to wind farms. – Poster. Raptor Research Foundation, Annual Conference. Sacramento p. 83. DOI: 10.13140/RG.2.1.2192.7448 - Prommer, M., Bagyura, J., Chavko, J. & Uhrin, M. 2012. Migratory movements of Central and Eastern European Saker Falcons
(Falco cherrug) from juvenile dispersal to adulthood. – Aquila 119: 111–134. - Prommer, M., Bagyura, J., Fehérvári, P. & Váczi, M. 2018. Home range size and habitat use of adult Saker Falcons
Falco cherrug in the breeding season in Hungary. – Poster. Raptor Research Foundation, Annual Conference. Skukuza, South Africa, p. 118. DOI: 10.13140/RG.2.2.19501.95204 - Prommer, M., Hegyeli, Zs. & Nagy, A. 2025. Population recovery and spatial determinants of occupancy and breeding success in the Saker Falcon
(Falco cherrug) : A study from Western Romania. – Ornis Hungarica 33(1): 141–158. DOI: 10.2478/orhu-2025-0008 - Prommer, M., Milobog, Y., Gavrilyuk, M. & Vetrov, V. 2014. Juvenile dispersal of Saker Falcons in Ukraine according satellite telemetry. – Bulletin of Cherkasy University 329(36): 129–134.
- Puzović, S. 2025. Saker Falcon
Falco cherrug in Serbia 2020–2022 (distribution, population and breeding success). – Ornis Hungarica 33(1): 127–140. DOI: 10.2478/orhu-2025-0007 - QGIS org 2021. QGIS 3.22.3-Białowieża QGIS Software. – QGIS Geographic Information System. QGIS Association.
http://www.qgis.org - R Core Team 2023. R: A language and environment for statistical computing. – R Foundation for Statistical Computing, Vienna.
https://www.R-project.org - Roekaerts, M. 2002. The Biogeographical Regions Map of Europe. Basic principles of its creation and overview of its development. – European Environmental Agency
- Saker LIFE. 2013. Romanian Saker breeds in the Crimea. – News. Milvus Group.
https://sakerlife2.mme.hu/en/content/romanian-saker-breeds-crimea/ - Schaub, M. & Kéry, M. 2022. Integrated Population Models. – Academic Press, pp. 389–409.
- Škorpíková, V., Horal, D. & Beran, V. 2025. The Saker Falcon
(Falco cherrug) population in the Czech Republic in 2011–2023. – Ornis Hungarica 33(1): 98–109. DOI: 10.2478/orhu-2025-0005 - White, G. C. & Burnham, K. P. 1999. Program MARK: survival estimation from populations of marked animals. – Bird Study 46(Supl.1): S120–S139. DOI: 10.1080/00063659909477239
- Wootton, J. T. & Bell, D. A. 1992. A metapopulation model of the Peregrine Falcon in California: viability and management strategies. – Ecological Applications 2(3): 307–321. DOI: 10.2307/1941864
- Zhang, Y., Gu, Z., Bold, B., Davaasuren, B., Galtbalt, B., Gungaa, A., Purev-Ochir, G., Batbayar, N., Rahman, L., Li, X., Dai, Q., Zhan, X. & Dixon, A. 2024. Environmental effects on reproduction in a managed population of the harvested and Endangered Saker Falcon
Falco cherrug . – Bird Conservation International 34: e4. DOI: 10.1017/S095927092300031X - Zinevich, L., Prommer, M., Laczkó, L., Rozhkova, D., Sorokin, A., Karyakin, I., Bagyura, J., Cserkész, T. & Sramkó, G. 2023. Phylogenomic insights into the polyphyletic nature of Altai falcons within eastern Sakers
(Falco cherrug) and the origins of Gyrfalcons(Falco rusticolus) . – Scientific Report 13: 17800. DOI: 10.1038/s41598-023-44534-4 - Zink, R., Hohenegger, J. A., Berg, H-M. & Kmetova-Biro, E. 2025. Population trend and conservation of Saker Falcon
(Falco cherrug) in Austria (2012–2021). – Ornis Hungarica 33(1): 49–69. DOI: 10.2478/orhu-2025-0003 - Zmievskiy, N. 2020. Saker Falcon. Photo. –
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Submitted on: Nov 12, 2023
Accepted on: Nov 4, 2024
Published on: May 15, 2025
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© 2025 Mátyás Prommer, János Bagyura, Jozef Chavko, Vlasta Škorpíková, Yuri Milobog, Richard Zink, Elena Kmetova-Biro, Vitalie Ajder, Maxim Gavrilyuk, Attila Nagy, Zsolt Hegyeli, Ivaylo Klisurov, Slobodan Pužović, Ciprian Fântână, Judit Veres-Szászka, Igor Karyakin, published by MME/BirdLife Hungary
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