brown lemming References Images brown lemming rodent Ask Anything Homework Help Also known as: Lemmus, true lemming Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: lemming/ Natural historyCollared and brown lemmings (Dicrostonyx and Lemmus) make nests on the tundra surface or beneath the snow. Breeding from spring to fall, females can produce up to 13 young after a gestation period of about 20 to 30 days. Read MoreCollared and brown lemmings (Dicrostonyx and Lemmus) make nests on the tundra surface or beneath the snow. Breeding from spring to fall, females can produce up to 13 young after a gestation period of about 20 to 30 days. Read More