The Dahurian pika, Ochotona daurica Pall., is widely distributed in the Inner-Mongolian steppe. The present paper deals with the pika's food and food consumption in this region. Our field work and laboratory feeding experiments were carried out in Baiyinxile Pasture in 1980 and 1981. The results are as follows:1. The food of the pika consists of 39 species of plants of Artemisia frigida+Cleistogenes sqitarrasa community in the grassland of this region. Of these, 11 species are the basic food resources of th...