For citations:
Magerramov Sh.V., Matrosov A.N., Bocharnikova T.A., Grazhdanov A.K., Martsokha K.S., Kuznetsov A.A., Sludsky A.A., Popov N.V. Decrease in the population of the small ground squirrel – Spermophilus pygmaeus Pallas, 1779 (Rodentia, Sciuromorpha, Sciuridae) in the Volga–Ural steppe natural focus of plague. Povolzhskiy Journal of Ecology. 2025;(1):48-63. (In Russ.) https://doi.org/10.35885/1684-7318-2025-1-48-63