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依自然地理条件,陕北可分为风沙丘陵区,丘陵溝壑区,和黄土高原区。其中以丘陵溝壑区为主。在这些区里,为害作物、牧草和林木等的兽类,数量和种类均很多;它们都是农林牧生产上的危害者。现除以“鼠”为名的一些小型害兽,如褐鼠、鼷鼠、仓鼠、田鼠、鼢鼠、跳鼠、岩松鼠、豹鼠、黄鼠、和鼹鼠等,加以敍述外,并把野兔,一併敍述。由动物分类区分;褐鼠、鼷鼠、仓鼠、属于囓齿目鼠科;鼢鼠属于囓齿目鼢鼠科;跳鼠属于囓齿目跳鼠科;松鼠,黄鼠、豹鼠属于囓齿目松鼠科;鼹鼠属于食虫目鼹鼠科。费氏野兔属于兔形目兔科。共计三目,七科,十三种和亚种。
According to the natural and geographical conditions, northern Shaanxi can be divided into wind and sand hills, hilly and gully areas, and the Loess Plateau. Among them, mainly hilly and gully areas. In these areas, the number and variety of animals harming crops, pastures and trees are many; all of them are a detriment to agriculture, forestry and animal husbandry. Some minor pests, such as brown rats, zokors, hamsters, voles, zokors, jerkins, rock squirrels, leopards, squirrels, and moles are now described in addition to “rats” The hare, together described. Classification by the animal; Brown rat, zokor, hamster, belonging to the rodent rat family; zokor belongs to the rodent zoobenthos; jerkard belongs to the rodent pest family; squirrels, gopher, leopard mice belong to rodents Head squirrel family; Mole belongs to the order insectivorous Mole department. Fisher’s hare is a rabbit-shaped rabbit. Total of three heads, seven families, thirteen species and subspecies.