Biology of the harvest mouse，Micromys minutes，on the Nara Campus of Kinki University

The harvest mouse, Micromys minutes, is a Red List of Threatened Species animal in Nara Prefecture and other regions in Japan. This mouse inhabits the grass-lands and builds its nest in the eulalia （Japanese pampas grass）, Miscanthus sinensis-, and other gramineous plants. The Nara Campus of Kinki University is located in the suburb of Nara city and has coppices, ponds, grass-lands-, and wet-lands. The harvest mice were observed mostly in the eulalia growing in the wet-lands.The major breeding season was autumn and early winter. It is important to conserve the eulalia in the wet-lands by excluding the other weeds such as kudzu vines and golden-rod, which luxuriate in the wet-lands