Red-tailed Chipmunk - Tamias ruficaudus
Red-tailed Chipmunk - Red-tailed Chipmunk
Global Rank:
G5
State Rank:
S4
Agency Status
USFWS:
none
USFS:
none
BLM:
none
CFWCS Tier:
3
General Description
The information for this species is not complete. We hope to have it available soon.
Distribution
Montana Range
Migration
Non-migratory.
Habitat
Moist forest--Douglas fir & subalpine fir. Most abundant in edge openings. Sometimes ranges into alpine except in Glacier NP area where T. minimus occupies alpine habitats (Hoffmann and Pattie 1968, Beg 1969). Will occupy higher elev. with T. amoenus.
Food Habits
Primarily seeds and fruits. Leaves and flowers in spring, less so in summer. Occasionally uses arthropods. Seasonal shifts in foraging sites and consumption related to avail- ability (Beg 1969). Hoards food.
Ecology
Contiguous allopatry with other chipmunks, though some over- lap occurs. Specific habitats vary. May-Oct ave monthly max. distr. moved: 384 ft--ad. males, 246 ft--breeding ad. females, 290 ft--non br. ad. females, 232 ft--juv. (Beg 1969).
Reproductive Characteristics
11.1-15.0% yearlings pregnant, 50-73% adult females pregnant each year. One litter/year, ave. 4.85 young/litter. Breed late Apr-May. Most young born in June. Lactation until mid to late July.
Citations & Sources