%0 Journal Article %A Mori, Akira %A Toda, Mamoru %T Feeding Characteristics of a Japanese Pitviper, Ovophis okinavensis, on Okinawa Island: Seasonally Biased but Ontogenetically Stable Exploitation on Small Frogs %D 2011 %J Current Herpetology %V 30 %N 1 %P 41-52 %R doi:http://dx.doi.org/10.3105/018.030.0104 %K Ontogenetic dietary shift %K Sexual difference %K Ovophis okinavensis %K Crotalinae %K Prey size %U https://www.pieronline.jp/content/article/1345-5834/30010/41