Smithsonian National Museum of Natural History, North American Mammals

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  Rodentia · Sciuridae · Tamiasciurus hudsonicus

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Tamiasciurus hudsonicus



Red Squirrel



Order: Rodentia
Family: Sciuridae

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Image of Tamiasciurus hudsonicus
Tamiasciurus hudsonicus - lower three images: white eye ring is distinctive in all seasons; summer coloration on left, winter coloration in center. (T. douglassii is above)
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Conservation Status: Least Concern.


Red Squirrels are very vocal. They bark at intruders, including humans, and can bark continuously for more than an hour if they are annoyed. They also chatter, especially to stake out a territory and protect their stored food supply (conifer cones, which they harvest in great numbers) from other squirrels. They are especially noisy during the breeding season, when they chase each other through tree branches making a distinctive call that sounds almost like the buzz of cicadas. They readily nest in attics and cabins, and are trapped for their fur.

Also known as:
Pine Squirrel, Chickaree, Barking Squirrel, Mountain Boomer, Boomer

Length:
Range: 280-350 mm

Weight:
Range: 140-250 g

References:

Erxleben, J.C.P., 1777.  Systema regni animalis per classes, ordines, genera, species, varietas, cum synonymia et historia animalium.  Classis I, Mammalia, p. 416.  Wegand, Leipzig, 636 pp.

Links:

Mammal Species of the World (opens in a new window).

Mammalian Species, American Society of Mammalogists' species account *
* PDF reader available here (opens in a new window).

Distribution of Tamiasciurus hudsonicus

Image of Tamiasciurus hudsonicus
Click to enlarge. (153kb)

Image of Tamiasciurus hudsonicus
Juvenile red squirrel, Lutsen, Minnesota.
Click to enlarge. (260kb)