Steppe mouse
The steppe mouse or mound-building mouse (Mus spicilegus) is a species of rodent in the family Muridae.
It is found in Austria, Bosnia and Herzegovina, Bulgaria, Croatia, Czech Republic, Hungary, Macedonia, Romania, Serbia and Montenegro, Slovakia, Slovenia, and Ukraine.
References
Amori, G. 1996. Mus spicilegus. 2006 IUCN Red List of Threatened Species. Downloaded on 19 July 2007.
Musser, G.G.; Carleton, M.D. (2005). "Superfamily Muroidea". In Wilson, D.E.; Reeder, D.M. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. pp. 894–1531. ISBN 978-0-8018-8221-0. OCLC 62265494.