A field study on retrieved-caches of squirrel (Sciurus vulgaris) and their survival strategy in winter in Liangshui National Nature Reserve,Northeastern China
A field study on retrieved-caches of squirrel (Sciurus vulgaris) and their survival strategy in winter in Liangshui National Nature Reserve,Northeastern China
凉水保护区松鼠冬季重取食物的贮藏点与越冬生存策略