... region of the tundras life has to contend with such unfavourable conditions that it cannot be abundant. Still the reindeer frequents it for its lichens, and on the drier slopes of the moraine deposits four species of lemming, hunted by the Canis lagopus, find quarters. Two species of the white partridge, the lark, one Plectrophanes, two or three species of Sylvia, one Phylloscopus, and the Motacilla must be added. Numberless aquatic birds, ... — Russia - As Seen and Described by Famous Writers • Various