In their turn they are pursued and harassed by crowds of beasts The Norwegian Lemming (Lemmus Norvegicus).
2
It breeds abundantly in some seasons on the fells of Lapland, its appearance depending chiefly on the presence of lemmings (Lemmus norvegicus), on which it mainly preys.
3
The circumpolar lemmings of the genera Lemmus and Dicrostonyx are noticed in the article Lemming.