The northern bog lemming is not a true lemming … Predatory mammals, owls, hawks, snakes (Whitaker) Habitat.
Average measurements: 94-154 mm (total length), 21.4-50 g (total weight) (Smithsonian) Predators. They trim back new vegetation from their runways, so there is often dead grass nearby. Extremely variable; Dry hillsides with growth of bluegrass, fields with a canopy of weeds, grassy areas with interspersed brush and small trees, and dense woods (Whitaker) The northern bog lemming (Synaptomys borealis) is also known from this marshy area. The upper parts are brownish gray, the belly grayish, and the tail grayish black. The average length of its tail is .51-.94in (13-24 mm). Runways are 2.5 to 5 cm in diameter and are found in heavy vegetation. Size/Life Cycle. Size: The average length of the Southern Bog Lemming is 3.7-6.06in (94-154mm). Southern Bog Lemming Synaptomys cooperi State Status: Special Concern Federal Status: None DESCRIPTION: The Southern Bog Lemming is a small, chunky rodent with small eyes and ears that are nearly concealed in the long, loose, shaggy fur. The skull is broad, and the short rostrum (snout) gives this species an abrupt profile. They trim new vegetation on their runways, which are usually littered with dead grass. Southern bog lemmings generally dominate when they encounter other voles. The size of this species is medium with a total length from 119-135 mm and a weight of26-36 grams. The bog lemming … The breeding pattern of the northern bog lemming is much like that of the other lemmings, with most breeding occurring during the summer and litters averaging three per year. And, its average weight is .75oz (21.4-50g). Southern bog lemmings may use runways and tunnels of other species, but they often create their own runways. The southern bog lemming (Synaptomys cooperi) is a small North American lemming.Its range overlaps with the other species in genus Synaptomys, the northern bog lemming, in southeastern Canada but extends further south.
Southern bog lemmings may use runways and tunnels of other species, but they often create their own. the southern edge of its range here. The upper incisors are longitudinally grooved. Runways are 2.5 to 5 cm in diameter and are found in heavy vegetation. Unlike the lynx, it has not received federal listing attention, associ-ated research, and surveys, and its status remains a mystery. Southern bog lemmings generally dominate when they encounter other voles. The northern bog lemming is a small mammal about the size of a vole (about one ounce).