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Kingdom - Animals -
Animalia
Phylum - Vertebrates -
Craniata
Class - Mammals -
Mammalia
Order - Rodents -
Rodentia
Family - Squirrels -
Sciuridae
Species - Red Squirrel -
Tamiasciurus hudsonicus
Red Squirrel -
Tamiasciurus hudsonicus
Global Rank
:
G5
State Rank
:
S5
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:
696
(Click on the following maps and charts to see full sized version)
Map Help and Descriptions
Relative Density
Recency
(Records associated with a range of dates are excluded from time charts)
Migration
Non-migratory.
Habitat
Most common in Montane (Yellow Pine and Douglas Fir) and subalpine (subalpine fir--Englemann Spruce) forests in W. MT. Also occurs in drier, more open Yellow Pine forests of Eastern Montana. (Hoffmann 1968).
Food Habits
Conifer cone crops, including serotinous cones. Opportun- istic. Uses terminal buds, seeds, sap, berries, bark of a variety of plants. Also uses fungi. Occasionally carnivorous (Flyger 1982).
Ecology
Active, aggressive toward conspecifics in defense of terri- tory. Very vocal. Caches cones. Sometimes dries and stores mushrooms. Annual fluctuations in density are large. Correlated with size of seed and cone crops (Jones 1983).
Reproductive Characteristics
One litter/year in N. ranges. Breeds Feb-Sep in some ranges. 35 day gestation. Young probably born Mar-May in MT. Breed when 10-12 mo's old. Altricial young. Reprod. parameters vary with climate and food supply. (Jones 1983, Flyger 1982).
Citations & Sources
Foresman, K.R. 2001. The wild mammals of Montana.
Special Publication No. 12. American Society of Mammalogists
Additional Sources of Information Related to "Mammals"
American Society of Mammalogists
Bat Conservation International
Bats of Alberta
Mammal Species of the World
Montana Chapter of the Wildlife Society
Natural Heritage Tracker (Statewide Database of Animal Observations)
North American Mammal Checklist
Shrew Information
Species Accounts for Mammals of the World
The Wild Mammals of Montana by Kerry R. Foresman
Western Bat Working Group
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