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Montana Field Guides

Woodland Caribou - Rangifer tarandus caribou

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Global Rank: G5T4
State Rank: SX

Agency Status
USFWS:
USFS:
BLM:
FWP Conservation Tier: 4


 

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General Description
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General Distribution
Montana Range

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Western Hemisphere Range

 


Summary of Observations Submitted for Montana
Number of Observations: 68

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Relative Density

Recency

 

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



Habitat
Spring: follow green-up, lower elevations, open timber; females calve at higher elevation slopes and ridges. Summer: mature spruce-fir, north slopes; rut habitat similar, moister, denser. Early Winter: old growth cedar-hemlock. Late Winter: mature subalpine fir.

Food Habits
Winter: arboreal lichens. Spring: forbs and shrubs. Summer: Vaccinium membranaceum and Valeriana sitchensis. Fall and early winter: evergreen forbs and shrubs and arboreal lichens.

Ecology
26 to 28 caribou in northern ID, southern BC, 3 to 5 calves, 11 to 13 cows, 3 to 10 immature bulls, 3 to 4 mature bulls, cows, calves, immature bulls usually found together in 3.4 groups, mature bulls often more solitary - often move south.

Reproductive Characteristics
Selkirk herd raised 3 calves 1982 and 84, 5 calves in 1985. Calving second week of June at high elevations; high early calf mortality, maybe as high as 50 to 75% annually. Rut mid-September to October.

References
  • Additional ReferencesLegend:   View WorldCat Record   View Online Publication
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    • Anonymous. 1953. Caribou on the Yaak. Montana Wildlife. August.
    • Evans, H. F. 1960. A preliminary investigation of caribou in northwestern United States. M.S. thesis, Montana State University, Missoula. 145 pp.
    • Evans, H. F. 1960. A preliminary investigation of caribou in northwestern United States. M.S. thesis. University of Montana, Missoula. 145 pp.
    • Manley, T. L. 1986. Status review of woodland caribou in Montana. Unpubl. Rep., Mont. Dept. of Fish, Wildlife and Parks, Helena. 84 pp.
    • Manley, T. L. 1986. Status survey of woodland caribou in Montana, final progress report. Montana Department of Fish, Wildlife and Parks. March, 1986. 84 pp.
    • Miller, D. R. 1977. Feasibility of reintroducing caribou in Glacier National Park [1976 progress report]. P. 49 in K. L. McArthur, comp., 1976 Annual Research Summary, Glacier National Park. USDI National Park Service, Glacier National Park. 64 pp.
    • Miller, D. R. 1977. Feasibility of reintroducing caribou in Glacier National Park. Prog. Rep. 16 pp.
    • Miller, D. R. 1977. The feasibility of reintroducing caribou in Glacier National Park: a preliminary study. Unpubl. Rep. 16 pp.
    • Scott, M. D., and G. Servheen. 1985. Caribou ecology. Job Compl. Rep. Fed. Aid Proj. W-160-R-l1. Idaho Fish and Game, Boise. 136 pp.
    • Servheen, G., and L. J. Lyon. 1989. Habitat use by woodland caribou in the Selkirk Mountains. J. Wildlife Management 53:230-237.
    • U.S. Fish and Wildlife Service. 1984. Selkirk mountain caribou management/recovery plan. U.S. Fish Wildlife Service, Portland, Oregon. 121 pp.
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Citation for data on this website:
Woodland Caribou — Rangifer tarandus caribou.  Montana Field Guide.  Montana Natural Heritage Program and Montana Fish, Wildlife and Parks.  Retrieved on October 20, 2014, from http://FieldGuide.mt.gov/speciesDetail.aspx?elcode=AMALC04011
 
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