Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

Woodland Caribou - Rangifer tarandus caribou

Global Rank: G5T5
State Rank: SX

Agency Status


External Links

General Description
We do not yet have descriptive information on this species.  Please try the buttons above to search for information from other sources.

Species Range
Montana Range

Click the legend blocks above to view individual ranges.

Western Hemisphere Range


Summary of Observations Submitted for Montana
Number of Observations: 68

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

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.

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.

Login Logout
Citation for data on this website:
Woodland Caribou — Rangifer tarandus caribou.  Montana Field Guide.  .  Retrieved on , from