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Sciurus carolinensis

(Eastern Gray Squirrel)

Overview

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Mammal. Imported as a pet from North America to UK, Italy, and South Africa. In UK and Italy its introduction led to the local extinction of the native red squirrel. A further expansion from the Alps to a large portion of Eurasia is predicted.

Common Names

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Click on the language to view common names.

Common Names in English:

Eastern Gray Squirrel, Eastern Grey Squirrel, Gray Squirrel, Grey Squirrel

Common Names in French:

écureuil Gris

Description

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Physical Description

Species Sciurus carolinensis

Grey above, with buff underfur; under-parts paler grey. L. 430-500 mm, tail 210-240 mm, weight 400-710 g.

Habitat

Typically found at an altitude of 0 to 1,066 meters (0 to 3,497 feet).[1]

Biome: Agricultural areas, disturbed areas, natural forest , planted forests, scrub/shrublands, urban areas.

Ecology: The species feeds on nuts, buds, flowers, seeds, fruits, fungi, some insects and occasionally bird eggs . During low food periods, it strips bark to get to inner bast and cambian layers. Feeds on maize where this is close to woodlands.[2]

Biology

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Diet

The Gray Squirrel prefers hardwood forests of the Piedmont Region, mountains, and river and stream floodplains where an abundant supply of nuts, acorns , fruits, and flowers can be found. It will also eat insects and occasionally bird eggs .

Reproduction

Placental , sexual. 2-3 young per litter , 1-2 litters per year

Behavior

The Gray Squirrel constructs two types of nests . One is in a tree cavity , and is used for rearing young and for winter shelter . The other type of nest, which looks like a ball of dry leaves and twigs lined with plant fibers, is lodged in the upper branches of a tree. It is used as temporary shelter in both summer and winter. Main predators of the Gray Squirrel include hawks, owls, the Coyote, foxes, the Bobcat, and occasionally weasels, raccoons, and snakes . Wild individuals have an average life expectancy of 5 years.

Taxonomy

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Notes

Name Status: Accepted Name . Latest taxonomic scrutiny: 06-Aug-2004.

Similar Species

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The Gray Squirrel is readily distinguished from the Fox Squirrel by its smaller size, uniform gray color, and white belly.

Members of the genus Sciurus

There are approximately 233 species in this genus. Here are just 100 of them:

S. aberti (Tassel-Eared Squirrel) · S. aberti subsp. aberti (Abert's Squirrel) · S. aberti barberi · S. aberti chuscensis · S. aberti durangi · S. aberti ferreus · S. aberti kaibabensis (Kaibab Squirrel) · S. aberti mimus (Abert's Squirrel) · S. aberti navajo · S. aberti phaeurus · S. adamsi · S. aestuans (Guianan Squirrel) · S. aestuans ingrami · S. affinis · S. alberti · S. albipes · S. alfari · S. alleni (Allen's Squirrel) · S. alphonsei · S. anomalus (Caucasian Squirrel) · S. anomalus russatus · S. anomalus syriacus · S. apache · S. arizonensis (Arizona Gray Squirrel) · S. arizonensis arizonensis (Arizona Gray Squirrel) · S. arizonensis catalinae · S. arizonensis huachuca · S. aureogaster (Mexican Gray Squirrel) · S. aureogaster albipes · S. aureogaster aureogaster (Mexican Gray Squirrel) · S. aureogaster nigrescens · S. aureogaster nigriscans · S. aureogaster nigriscens · S. aureogaster socialis · S. baluensis · S. berdmorei · S. bicolor · S. bongensis · S. cagsi · S. caniceps · S. carolinensis (Eastern Gray Squirrel) · S. carolinensis carolinensis · S. carolinensis extimus · S. carolinensis fuliginosus · S. carolinensis hypophaeus · S. carolinensis leucotis · S. carolinensis pennsylvanicus · S. carolinensis yucatanensis · S. caucasicus · S. cepapi · S. cinereus · S. colliaei (Collie's Squirrel) · S. colliaei colliaei · S. concinnus · S. congicus · S. davidianus · S. deppei (Deppe's Squirrel) · S. deppei deppei · S. deppei negligens · S. deppei vivax · S. douglasii · S. duida · S. durangi · S. ebii · S. erythopus · S. erythraeus · S. everetti · S. exilis · S. finlaysoni · S. flammifer (Fiery Squirrel) · S. fremonti · S. getulus · S. giganteus · S. gilvigularis (Yellow-Throated Squirrel) · S. goldmani · S. granatensis (Red-Tailed Squirrel) · S. granatensis bondae · S. granatensis chiriquensis · S. granatensis hoffmanni · S. granatensis morulus · S. granatensis quindianus · S. granatensis soderstromi · S. granatensis versicolor · S. griseus (Western Gray Squirrel) · S. griseus anthonyi · S. griseus griseus (Western Gray Squirrel) · S. griseus grissens · S. griseus nigripes · S. hippurus · S. hosei · S. hudsonicus · S. hudsonicus loquax · S. hudsonius mearnsi · S. hypopyrrhus · S. ignitus (Bolivian Squirrel) · S. ignitus boliviensis · S. igniventris (Northern Amazon Red Squirrel) · S. inauris · S. indicus · S. ingrami

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal March 11, 2008:

Identifiers

Footnotes

  1. Mean = 95.820 meters (314.370 feet), Standard Deviation = 113.030 based on 7,518 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
  2. Baillie, J. 1996. In IUCN 2008. 2008 IUCN Red List of Threatened Species. IUCNRedList.org. Downloaded July 20, 2008. [back]
Last Revised: 2009-05-08