Southern Red-backed Vole - Myodes gapperi
FWP Conservation Tier
The Southern Red-backed Vole has a blunt nose and short ears. It is approximately 6 inches (152 millimeters) long when fully grown. It has buffy gray sides, and a buff-white to silver-gray belly. The wide reddish band which distinguishes it from other mice in Montana traces over its back from the forehead to the base of a short tail.
The distinctive band down the center of the Southern Red-backed Vole's back may be bright chestnut to yellowish brown, rather than reddish brown. Two colors can be seen along the tail, and the head and ears are larger than those of other voles (Zeveloff and Collett 1988).
Summary of Observations Submitted for Montana
Number of Observations:
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Map Help and Descriptions
(Records associated with a range of dates are excluded from time charts)
In western MT particularly common in dense subalpine forests, also occurs in more open forest types, even alpine tundra (Hoffmann and Pattie 1968).
Ecological Systems Associated with this Species
- Details on Creation and Suggested Uses and Limitations
How Associations Were Made
We associated the use and habitat quality (high, medium, or low) of each of the 82 ecological systems mapped in Montana for
vertebrate animal species that regularly breed, overwinter, or migrate through the state by:
- Using personal observations and reviewing literature that summarize the breeding, overwintering, or migratory habitat requirements of each species (Dobkin 1992, Hart et al. 1998, Hutto and Young 1999, Maxell 2000, Foresman 2001, Adams 2003, and Werner et al. 2004);
- Evaluating structural characteristics and distribution of each ecological system relative to the species’ range and habitat requirements;
- Examining the observation records for each species in the state-wide point database associated with each ecological system;
- Calculating the percentage of observations associated with each ecological system relative to the percent of Montana covered by each ecological system to get a measure of “observations versus availability of habitat”.
Species that breed in Montana were only evaluated for breeding habitat use, species that only overwinter in Montana were only evaluated for overwintering habitat use, and species that only migrate through Montana were only evaluated for migratory habitat use.
In general, species were associated as using an ecological system if structural characteristics of used habitat documented in the literature were present in the ecological system or large numbers of point observations were associated with the ecological system.
However, species were not associated with an ecological system if there was no support in the literature for use of structural characteristics in an ecological system, even if
point observations were associated with that system.
High, medium, and low habitat quality was assigned based on the degree to which the structural characteristics of an ecological system matched the preferred structural habitat characteristics for each species in the literature.
The percentage of observations associated with each ecological system relative to the percent of Montana covered by each ecological system was also used to guide assignments of habitat quality.
If you have any questions or comments on species associations with ecological systems, please contact Bryce Maxell at firstname.lastname@example.org
or (406) 444-3655.
Suggested Uses and Limitations
Species associations with ecological systems should be used to generate potential lists of species that may occupy broader landscapes for the purposes of landscape-level planning.
These potential lists of species should not be used in place of documented occurrences of species (this information can be requested at: http://mtnhp.org/requests/default.asp
) or systematic surveys for species and evaluations of habitat at a local site level by trained biologists.
Users of this information should be aware that the land cover data used to generate species associations is based on imagery from the late 1990s and early 2000s and was only intended to be used at broader landscape scales.
Land cover mapping accuracy is particularly problematic when the systems occur as small patches or where the land cover types have been altered over the past decade.
Thus, particular caution should be used when using the associations in assessments of smaller areas (e.g., evaluations of public land survey sections).
Finally, although a species may be associated with a particular ecological system within its known geographic range, portions of that ecological system may occur outside of the species’ known geographic range.
- Adams, R.A. 2003. Bats of the Rocky Mountain West; natural history, ecology, and conservation. Boulder, CO: University Press of Colorado. 289 p.
- Dobkin, D. S. 1992. Neotropical migrant land birds in the Northern Rockies and Great Plains. USDA Forest Service, Northern Region. Publication No. R1-93-34. Missoula, MT.
- Foresman, K.R. 2001. The wild mammals of Montana. Special Publication No. 12. Lawrence, KS: The American Society of Mammalogists. 278 p.
- Hart, M.M., W.A. Williams, P.C. Thornton, K.P. McLaughlin, C.M. Tobalske, B.A. Maxell, D.P. Hendricks, C.R. Peterson, and R.L. Redmond. 1998. Montana atlas of terrestrial vertebrates. Montana Cooperative Wildlife Research Unit, University of Montana, Missoula, MT. 1302 p.
- Hutto, R.L. and J.S. Young. 1999. Habitat relationships of landbirds in the Northern Region, USDA Forest Service, Rocky Mountain Research Station RMRS-GTR-32. 72 p.
- Maxell, B.A. 2000. Management of Montana’s amphibians: a review of factors that may present a risk to population viability and accounts on the identification, distribution, taxonomy, habitat use, natural history, and the status and conservation of individual species. Report to U.S. Forest Service Region 1. Missoula, MT: Wildlife Biology Program, University of Montana. 161 p.
- Werner, J.K., B.A. Maxell, P. Hendricks, and D. Flath. 2004. Amphibians and reptiles of Montana. Missoula, MT: Mountain Press Publishing Company. 262 p.
- Commonly Associated with these Ecological Systems
Forest and Woodland Systems
Open Water / Wetland and Riparian Systems
Shrubland, Steppe and Savanna Systems
- Occasionally Associated with these Ecological Systems
Forest and Woodland Systems
Shrubland, Steppe and Savanna Systems
Vegetative portions of plants, nuts, seeds, berries, mosses, lichens, ferns, fungi and arthropods.
A favored prey of Marten in northwest MT. Populations fluctuate. Typically does not construct runways. Simple globular nests (75 to 100 mm. in diameter), lined with grass, stems, leaves or moss.
Females are sexually mature at 2 months. Litters born late autumn to late winter. Young are weaned at 18 days of age (Jones et al. 1983).
- Additional ReferencesLegend: View WorldCat Record View Online Publication
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- Belk, M. C., Smith, H. D., and J. Lawson. 1988. Use and partitioning of montane habitat by small mammals. J. Mammal. 69(4):688-695.
- Campbell, T.M. and T.W. Clark. 1980. Short-term effects of logging on red-backed voles and deer mice. Great Basin Nat. 40(2):183-189.
- Carlsen, Tom, and Rick Northrup, 1992, Canyon Ferry Wildlife Management Area Final Draft Management Plan. March 1992.
- Coffin, Kenneth W. 1994. Population Characteristics and Winter Habitat Selection by Pine Marten in Southwest Montana. A Masters Thesis.
- Dice, L.R. 1923. Mammal associations and habitats of the Flathead Lake Region, Montana. Ecology 4(3):247-260.
- Eng, Robert. L., 1976?, Wildlife Baseline Study [for West Fork of the Stillwater and Picket Pin drainages]
- Foresman, K. R. 2001. The Wild Mammals of Montana. American Society of Mammologists, Special Publication No. 12: Lawrence, KS, 278 pp.
- Geppert, T. J. 1984. Small mammals of the Shield Trap, East Pryor Mountain, Montana. M.S. thesis. University of Iowa, Iowa City. 45 pp.
- Halvoison, C. H. 1982. Rodent occurrence, habitat disturbance and seed fall in a larch-fir forest. Ecology 63(2):423-433.
- Hayward, G. D. and P. H. Hayward. 1995. Relative abundance and habitat associations of small mammals in the Chamberlain Basin, central Idaho. Northwest Sci. 69(2): 114-125.
- Hoffmann, R. S. and D. L. Pattie. 1968. A guide to Montana mammals: identification, habitat, distribution, and abundance. Univ. Mont., Missoula. 133 pp.
- Kaufman, G. A., D. W. Kaufman and E. J. Finck. 1988. Influence of fire and topography on habitat selection by PEROMYSCUS MANICULATUS and REITHRODONTOMYS MEGALOTIS in ungrazed tallgrass prairie. J. Mammal. 69:342-352.
- Kritzman, Ellen B. 1977. Little mammals of the Pacific Northwest. Pacific Search Press, Seattle, WA.
- Kujala, Quentin J., 1993, Winter habitat selection and population status of pine marten in southwest Montana. W-100-R-4-6, V, FB-1, Sub-project no. 1, 2, Job no. 3. Statewide Wildlife Program. Furbearers and Predators. Furbearers. Management Surveys and iIvestigations, Research and Technical Services. Pine marten populations and habitat relationships in southwest Montana. June 16, 1993.
- Martin, Steve A., ECON, Inc., Helena, MT., 1982, Flathead Project Wildlife Report, 1981-1982. November 30, 1982.
- Matthews, W. L. and J. E. Swenson. 1982. The mammals of east-central Montana. Proc. Mont. Acad. Sci. 39: 1-13.
- Merritt, J.F. 1981. Clethrionomys gapperi. Mamm. Species No. 146. 9 pp.
- Merritt, J.F. and J.M. Merritt. 1978. Population ecology and energy relationships of Clethrionomys gapperi in a Colorado subalpine forest. J. Mammal. 59(3):576-598.
- Nordyke, K.A. and S.W. Buskirk. 1991. Southern red-backed vole, Clethrionomys gapperi, populations in relation to stand succession and old-growth character in the Central Rocky Mountains. Can. Field-Nat. 105(3):330-334.
- Pattie, D. L. and N. A. M. Verbeek. 1967. Alpine mammals of the Beartooth Plateau. Northwest Sci. 41(3): 110-117.
- Reichel, J. D. 1986. Habitat use by alpine mammals in the Pacific Northwest. Arc. Alp. Res. 18(1): 111-119.
- Reid, F. 2006. Peterson Field Guide to Mammals of North America, 4th Edition. Houghton Mifflin Company: Boston and New York, 608 pp.
- Rust, H. J. 1946. Mammals of northern Idaho. J. Mammal. 27(4): 308-327.
- Spencer, A. W. and D. Pettus. 1966. Habitat preferences of five sympatric species of long-tailed shrews. Ecology 47: 677-683.
- Thompson, Richard W., Western Resource Dev. Corp., Boulder, CO., 1996, Wildlife baseline report for the Montana [Montanore] Project, Lincoln and Sanders counties, Montana. In Application for a Hard Rock Operating Permit and Proposed Plan of Operation, Montanore Project, Lincoln and Sanders Counties, Montana. Vol. 5. Stroiazzo, John. Noranda Minerals Corp., Libby, MT. Revised September 1996.
- U.S. Fish and Wildlife Service, 1983. Habitat Suitability Index Models: southern red-backed vole (Western United States). FWS/OBS-82/10.42
- Walters, B. B. 1991. Small mammals in subalpine old-growth forest and clearcuts. Northwest Sci. 65(1):27-31.
- Williams, O. 1955. Distribution of mice and shrews in a Colorado montane forest. J. Mammal. 36(2): 221-231.
- Additional Sources of Information Related to "Mammals"