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Lewis and Clark
SHOWING RECORD: 2 of 24   Thirteen-Lined Ground Squirrel
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image: Thirteen-Lined Ground Squirrel
Illustration from Academy of Natural Sciences of Philadelphia/Corbis
Thirteen-Lined Ground Squirrel

Spermophilus tridecemlineatus pallidus

Subspecies of Ground Squirrel



First Noted by Expedition
July 8, 1805, at Great Falls, Cascade County, Montana
 

Description
Brownish, with 13 alternating brown and whitish longitudinal lines (sometimes partially broken into spots) on back and sides. Rows of whitish spots within dark lines.
 

Habitat
Originally shortgrass prairies; now along roadsides, in yards, cemeteries, golf courses, and wherever grass is kept mowed.
 

Range
Much of central North America, from southeastern Alberta and southern Manitoba south to northern New Mexico, northern and southeastern Texas, and east through Minnesota and Missouri to Michigan and Ohio.
 

Note
This ground squirrel enters its nest in October, rolls into a stiff ball, and decreases its respiration to one breath about every five minutes.

Species information from enature.com
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