An investigation in the wintertime of 2004-2005 showed that in Shanghai farmland,the underground burrows of ridges,footpaths,and ditch banks were the main hibernation sites of Rana limnocharis.

• 结果表明,农田中的路径、田埂和沟渠岸边地下洞穴是泽蛙的主要越冬场所。