MIGRATION OF THE LEMMING. Share full article. Nov. 7, 1886. Credit... The New York Times Archives. See the article in its original context from November 7, 1886, Page 5 Buy Reprints.

The southern bog lemming is more closely related to the voles than to the true lemmings that inhabit higher latitudes. Grooved upper incisors and a relatively shorter tail, 17-21 mm (0.75 in), which ...

The number of lemmings (Lemmus lemmus) in the mountains can fluctuate sharply from one year to the next. Years when populations explode are called lemming years. These population explosions are ...