Species: Tamiasciurus douglasii
Douglas's Squirrel
Species
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Encyclopedia of Puget Sound
Classification
Kingdom
Animalia
Phylum
Craniata
Class
Mammalia
Order
Rodentia
Family
Sciuridae
Genus
Tamiasciurus
NatureServe
Classification
Other Global Common Names
écureuil de Douglas
Informal Taxonomy
Animals, Vertebrates - Mammals - Rodents
Formal Taxonomy
Animalia - Craniata - Mammalia - Rodentia - Sciuridae - Tamiasciurus - might be conspecific, but Lindsay (1982) concluded that apparent hybrids probably were examples of character convergence.
Ecology and Life History
Migration
true - false - false
Non-migrant
true
Locally Migrant
false
Food Comments
In spring feeds on new shoots of conifers, inner bark and developing needles; in summer, some green vegetation, fruits and berries. In fall eats seeds from conifer cones. May also eat tree sap, fungi, and nuts. Stores cones in log, burrow, etc
Reproduction Comments
Most males reproductively active March-May. Females produce 1, perhaps 2, litters/year. Litter of 2-8, usually 4-6, young is born in May-June. Young first venture to ground in August. Families stay together much of first year.
Ecology Comments
Populations fluctuate with variations in food supply. Predators include bobcats, martens, coyotes, and large owls.
Length
36
Weight
300
Conservation Status
NatureServe Global Status Rank
G5
Global Status Last Reviewed
1996-11-06
Global Status Last Changed
1996-11-06
Other Status
LC - Least concern
Distribution
Conservation Status Map
<img src="http://www.natureserve.org/explorer/servlet/GetMapGif?CA.BC=S4&US.CA=SNR&US.ID=__&US.NV=S5&US.OR=S5&US.WA=S5" alt="Conservation Status Map" style="width: 475px; height: auto;" />
Global Range
Southwestern British Columbia south through coast ranges, Cascades, and Sierra Nevada to southern California. Related species (T. MEARNSI) occurs in Sierra San Pedro Martir, northern Baja California, Mexico.