Alena A. Kulikova,^1,* Aija Pupina,^2,** Mihails Pupins,² Andris Čeirāns,³ Vojtech Baláž<sup>4

1</sup>Department of Monitoring and Cadaster of Wild Animals, The State Scientific and Production Amalgamation, Scientific and Practical Center of the National Academy of Sciences of Belarus for Biological Resources, Akademicheskaya 27, 220072, Minsk, Belar
²Department of Ecology, Institute of Life Sciences and Technologies, Daugavpils University, Parades Street 1A, Daugavpils, Latvia
³Project “Amphibian and Reptile Monitoring in Latvia in 2016–2018,” Daugavpils University, Vienibas Street 13, Daugavpils, Latvia
⁴Department of Ecology and Diseases of Zoo animals, Game, Fish and Bees, Faculty of Veterinary Hygiene and Ecology, University of Veterinary Sciences Brno, Palackého tř. 1946/1, 612 42 Brno, Czech Republic

^*Corresponding author (email: Elen.Kulikova@gmail.com)
^**This article is dedicated to the memory of the late Aija Pupina