"The southern birch mouse (Sicista subtilis) is a species of birch mouse in the family Dipodidae. It is found on the Balkan Peninsula, Ukraine, Romania, southern Russia and one isolated location in Hungary in the Borsodi Mez\u0151s\u00E9g Protected Landscape Area. The Hungarian subspecies (S. subtilis trizona) is critically endangered and strictly protected."@en . "LC" . . "IUCN" . "Southern Birch Mouse"@en . . . . . . . . .