Malyavina M.S., Khizhkin E.A., Shapkin O.A., Viskontene A. 2026. “One ticket to the Baltic, please”: Documenting the first occurrence of Pipistrellus kuhlii (Chiroptera: Vespertilionidae) in Kaliningrad // Russian J. Theriol. Vol.25. No.1. P.9–15 [in English].
Maria S. Malyavina [myotis@internet.ru], Penza State University, Krasnaya Str. 40, Penza 440026, Russia; Center of hygiene and epidemiology in the Penza Region, Marshalla Krylova Str. 3, Penza 440026, Russia; Evgeniy A. Khizhkin [hizhkin84@mail.ru], Institute of Biology of the Karelian Research Centre RAS, Pushkinskaya Str. 11, Petrozavodsk 185910, Russia; Institute of Physical Education, Sport and Tourism, Petrozavodsk State University, Lenin Str. 33, Petrozavodsk 185910, Russia; Oleg A. Shapkin [oshpkn@gmail.com], Darwin State Nature Biosphere Reserve, 44 Borok Village, Post Office Ploskovo, Cherepovets District, Vologda Region 162723, Russia; Alex Viskontene [alex.viskontene@gmail.com], Central Research Institute of Epidemiology, Novogireevskaya Str. 3a, Moscow 111123, Russia; Zoological Institute of Russian Academy of Sciences, Universitetskaya Emb. 1, Saint Petersburg 199034, Russia.
doi: 10.15298/rusjtheriol.25.1.02
ABSTRACT. Data on the first record of Pipistrellus kuhlii (Kuhl, 1817) in February 2026 in Fort 1 Stein, Kaliningrad, are presented. Possible routes of the species’ arrival in the north-western part of Russia, the physiological condition of the bat during hibernation in an atypical area, and the ectoparasites infesting this individual are discussed.
KEY WORDS: Kuhl’s pipistrelle, adventive species, range expansion, hibernation, Carios vespertilionis, Baltic coast.