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Montana Field Guides

Western Jumping Mouse - Zapus princeps

  • Western Jumping Mouse
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Global Rank: G5
State Rank: S4

Agency Status
USFWS: none
USFS: none
BLM: none
CFWCS Tier: 3
 

General Description
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General Distribution
Montana Range



Western Hemisphere Range

 


Summary of Observations Submitted for Montana
Number of Observations: 389

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Relative Density

Recency

 

(Records associated with a range of dates are excluded from time charts)



Migration
Non-migratory.

Habitat
Usually tall grass along streams, with or without a brush or tree canopy. Also dry grasslands in N. Central MT. Mesic forests with sparse understory herbage in W. MT. From valley floors to timberline & alpine wet sedge meadows (Hoffmann and Pattie 1968).

Food Habits
Seeds are important prehibernation food. Accumulates fat reserves of up to 2/3 body weight. Does not chache food in or near winter nest. (Jones et al. 1983).

Ecology
Nests are in mounds or banks elevated above surrounding ground (well-drained). Nests usually 2 feet underground, shredded vegetation insulative core. Single burrow 3-4 feet long. Entrance plugged (Jones et al. 1983).

Reproductive Characteristics
Young continue to nurse after they have begun eating solid food.

Citations & Sources
  • Burt, W. H. and R. P. Grossenheider. 1964. A field guide to the mammals. 2nd edition. The Peterson Field Guide Series. Houghton Mifflin Co., Boston, MA.
  • Foresman, K.R. 2001. The wild mammals of Montana. Special Publication No. 12. American Society of Mammalogists
  • Kritzman, Ellen B. 1977. Little mammals of the Pacific Northwest. Pacific Search Press, Seattle, WA.
  • Zeveloff, S. I. 1988. Mammals of the Intermountain West. Univ. of Utah Press, Salt Lake City, Utah.
Additional Sources of Information Related to "Mammals"
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Citation for data on this website:
Western Jumping Mouse — Zapus princeps.  Montana Field Guide.  Retrieved on February 9, 2010, from http://FieldGuide.mt.gov/detail_AMAFH01020.aspx
 
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