Population Decline of Ground Squirrels, Spermophilus (Rodentia, Sciuridae), in Ukraine and Forecasting Trends

Keywords: ground squirrels, Spermophilus, population size, census data, monitoring, extinction, Ukraine

Abstract

Population trends of ground squirrels (Spermophilus citellus, S. suslicus and S. pygmaeus) in Ukraine were assessed using census data from the Plant Protection Inspection Service (1937–2007). Comparing these data with observations from the first decades of the 21st century suggests that ground squirrel populations have declined significantly, with absolute numbers reduced by at least 0.2–0.9% and geographical ranges shrinking by 1–2.3 % compared to their historical levels in the mid-1950s. The current situation provides grounds for a negative forecast for the next few decades.

References

Averin, V. G. 1915. Brief overview of pests and useful mammals of Kharkiv Province. Bulletin on Agricultural Pests and Measures to Combat Them, 13-35 [In Russian].

Barkaszi, Z. & Zagorodniuk, I. 2018. Living on the edge: distribution patterns of steppe mammals in Transcarpathia (Ukraine). Studia Biologica, 12 (3-4), 75-94.

https://doi.org/10.30970/sbi.1203.573

Batochenko, V. M. 2021. Encounters of some mammals within Natural Nature Park Northern Podillia. Materials for the Atlas of Mammals of Ukraine / Series: Conservation Biology in Ukraine, 20, 8-9 [In Ukrainian].

Brandler, O. V., Biryuk, I. Yu., Ermakov, O. A., Titov, S. V., Surin, V. L., Korablev, V. P. & Tokarsky, V. A. 2015. Interspecies and intraspecific molecular genetic variability and differentiation in speckled ground squirrels Spermophilus suslicus and S. odessanus (Rodentia, Sciuridae, Marmotini) // Zoology and Ecology, 1153, 58-67 [In Russian].

Bronskov, A. & Timoshenkov, V. 2010. Distribution and abundance of the small ground squirrel (Spermaphilus pygmaeus) in Donetsk Region. Transactions of the Mammal School. 10. P. 107-114, [In Russian]

https://doi.org/10.15407/ptt2010.10.107

Cassola, F. 2017. Spermophilus pygmaeus. The IUCN Red List of Threatened Species 2017: e.T20490A22264478.

Ćosić, N., Ćirović, D., Fülöp, T., Gedeon, C., Hapl, E., Hoffmann, I.E., Kepel, A., Koshev, Y., Matějů, J., Nikolić Lugonja, T., Rammou, L.-D., Rusin, M., Váczi, O. & Hegyeli, Z. 2024. Spermophilus citellus. The IUCN Red List of Threatened Species 2024: e.T20472A221789466.

Dulitsky, A. I., Tovpinets, N. N. & Evstafiev, I. L. 2002. The great jerboa (Alloctaga major) and the little ground squirrel (Spermophillus pygmaeus) as inhabitants of open areas in the Crimea. Bulletin of Taras Shevchenko Luhansk State Pedagogical University, 1, 43-52 [In Russian].

Dykyi, I. V., Shkvyria, M. G., Yakovlev, E. B. & Kusnezh, O. V. 2018. Findings of vertebrate animals of the Red Data Book of Ukraine. Materials for the 4th edition of the Red Data Book of Ukraine. Animal World / Series: Conservation Biology in Ukraine, 7 (1), 230-247 [In Ukrainian].

Frisman, L. V., Korablev, V. P., Lyapunova, Ye. A., Vorontzov, N. N. & Brandler, O. V. 1999. Allozyme differentiation of heterochromosomal forms of speckled ground squirrels (Spermophilus suslicus Guld, 1770, Rodentia). Genetika, 35 (3), 378-384.

Gavryliuk, M. N. 2021. Meetings of mammals in Ukraine during 1990-2020. Materials for the Atlas of Mammals of Ukraine / Series: Conservation Biology in Ukraine, 20, 98-104 [In Ukrainian].

Ilchuk, V. P. 2021. Findings of the hamster and ground squirrel in Rivne Region. Materials for the Atlas of Mammals of Ukraine. Series: Conservation Biology in Ukraine, 20, 141 [In Ukrainian].

Mezhzherin, S. V. 2008. Animal resources of Ukraine in the light of the sustainable development strategy: analytical reference book. Kyiv. Logos Publishing House, 1-282 [In Russian].

Mezhzherin, S. V. 2009 a. The specked ground squirrel Spermophilus suslicus (Gueldenstaedt, 1770). Red Data Book of Ukraine. Animal World Ed I. A. Akimov. Kyiv: Globalconsulting. https://redbook-ua.org/item/spermophilus-suslicus-gueldenstaedt/ [In Ukrainian].

Mezhzherin, S. V. 2009 b. The Podolian suslik Spermophilus odessanus Nordmann, 1840. Red Data Book of Ukraine. Animal World / edited by I. A. Akimov. Kyiv: Globalconsulting. https://redbook-ua.org/item/spermophilus-odessanus-nordmann/ [In Ukrainian].

Omeliuta, V. P., Grigorovitch I. B. & Chaban V. S. 1986. Сensuses of the pests and diseases of agricultural plants. Kyiv, Urozhay, 1-296 [In Ukrainian].

On approval of lists of animal species included in the Red Book of Ukraine (fauna) and animal species excluded from the Red Book of Ukraine (fauna). 2021. https://zakon.rada.gov.ua/laws/show/z0260-21#Text [In Ukrainian].

Rashevska, A. V. 2018. Rodents of zone landscapes of the Right-Bank Steppe of Ukraine: species composition, distribution and abundance. Abstract of PhD Thesis for the degree of candidate of biological sciences. Kyiv, 1-24 [in Ukrainian].

Rusin, M. Yu. 2013. Rare and endangered species of rodents in the steppe zone of Eastern Ukraine. Abstract of PhD Thesis for the degree of candidate of biological sciences. Kyiv, 1-21 [In Ukrainian].

Rusin, M. 2024. Spermophilus suslicus. The IUCN Red List of Threatened Species 2024: .T20492A221789753.

Sapelnikov, S. F. & Sapelnikova, I. I. 2021. A retrospective analysis of the population status of the speckled ground squirrel (Spermophilus suslicus Güldenstädt, 1770) in the Central Black Earth Region with its adjacent territories and suggested approaches for the species conservation. Field Biologist Journal, 3 (2),167-212 [In Russian].

Skliar, O. Yu., Knysh, M. P. & Dugina, O. M. 2018. Encounters of the animal species listed in the Red Date Book of Ukraine in the location of National Nature Park Hetmanskyi (Sumy Region). Materials for the 4th edition of the Red Data Book of Ukraine. Animal World / Series: Conservation Biology in Ukraine, 7 (2), 258-269 [In Ukrainian]

Selyunina, Z. 2015. Dynamics of extinction of the little ground squirrel (Spermophilus pygmaeus) local populations in the region of Black Sea Biosphere Reserve. Novitates Theriologicae, Pars 9 (Studying of mammals of steppe regions). Luhansk, Kyiv, 112-118 [In Ukrainian].

Shekarova, O. N., Neronov, V. V. & Savinetskaya, L. E. 2008. Speckled ground squirrel (Spermophilus suslicus): current distribution, population dynamics and conservation. Lynx, 39 (2), 317-322.

Sokolov, L. V. 2020. Findings of the speckled ground squirrel (Spermaphilus suslicus Guldestaedt, 1770) colonies in the south of Odessa Region. News of the A.A. Brauner Museum Fund, 17 (1), 1-3 [In Russian].

Sokur, I. T. 1961. Historical changes and usage of the mammalian fauna of Ukraine. Kyiv: Publishing House of the Academy of Sciences of the Ukrainian SSR, 1-84 [In Ukrainian].

Storozhenko, Zh. V. 2021. Findings of mammals in Chernivtsi Oblast in 2019. Materials for the Atlas of Mammals of Ukraine. Series: Conservation Biology in Ukraine. 20, 198 [In Ukrainian].

Taranenko, L., Melnichenko, B., Pilipenko, D. & Dyakov, V. 2008. Rare species of terrestrial mammals of Donetsk Oblast: current status and conservation prospects, Proceedings of the Mammal School, 9, 187-198 [In Russian].

Tokarsky, V. A. 2014. Ground squirrels: Spermophilus suslicus (Guldenst., 1769) and Spermophilus pygmaeus (Pallas, 1778) at the crossroads of their ranges (Communication 1. Former distribution). Scientific Bulletin of Uzhhorod University: Series: Biology, 36, 45-48 [In Russian].

Viter, S. 2021. Some faunal observations of mammals (Mammalia) in Kharkiv Oblast of Ukraine. Materials for the Atlas of Mammals of Ukraine / Series: Conservation Biology in Ukraine, 20, 15-97 [In Ukrainian].

Volokh, A. M. 2004. Large mammals of Southern Ukraine in the 20th century. (habitats dynamics, numbers, conservation and management). The dissertation abstract for the degree of the doctor of biological sciences. Kyiv, 1-34 [In Ukrainian].

Vorona, Ye., Kuzemko, A.A. & Yavorska, O.G. 2019. Findings of rare animal species in Vinnytsia Region. Materials for the 4th edition of the Red Book of Ukraine. Animal World / Series: Conservation Biology in Ukraine, 7, 76-78 [In Ukrainian].

Zagorodniuk, I. V. & Fedorchenko, A. A. 1995. Allopatric species among rodents of the group Spermophillus suslicus. Vestnik Zoologii, 5-6, 49-58 [In Russian].

Zagorodniuk, I. & Kondratenko, O. 2006. Current distribution and status of ground squirrel (Spermophilus) populations in Eastern Ukraine. Mammal fauna of Eastern Ukraine, 211-214 [in Ukrainian].

Ziółek, M., Kozieł, M. & Czubla, P. 2017. Changes in population of spotted souslik Spermophilus suslicus in Eastern Poland. Polish Journal of Natural Sciences. 32 (1), 91-104.

Published
2025-05-20
How to Cite
Mezhzherin , S. V., Tytar, V. M., Rashevska, A. V., & Potopa , A. V. (2025). Population Decline of Ground Squirrels, Spermophilus (Rodentia, Sciuridae), in Ukraine and Forecasting Trends. Zoodiversity, 59(3). https://doi.org/10.15407/zoo2025.03.231