Rumen Contents of the Sika deer in Wakayama Prefecture, Southern Honshu: A New Demonstration of Latitudinal Variations of the Food Habits Takatsuki, Seiki and Kobayashi, Masato and Katayama, Atsushi, Mammal Study, 36, 73-77 (2011), DOI:http://dx.doi.org/10.3106/041.036.0205