U字溝用水路内で越冬するトウキョウダルマガエルの観察例
2007 年 2007 巻 2 号 p. 127-128
詳細
2007 年 2007 巻 2 号 p. 127-128
Rana porosa porosa wintering in a U-shaped concrete ditch along a paddy field were observated at Oba, Fujisawa City, Kanagawa Pref., central Japan. There was a little mud and dry grass in the ditch. When a concrete block in the ditch was lifted, the frog dug into the substrate and crouched there.
