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Grey Squirrel, Sciurus carolinensis


Short description of Sciurus carolinensis, Grey Squirrel

Grey squirrels are mainly grey on both body and tail, but some areas of fur may be more gingery-brown. The underside of the body is white.  They constantly twitch their long tails, which are abundantly fringed with long, straight, black-and-white-tipped hairs.  Black morphs occur in some parts of the range.

Description of Sciurus carolinensis, Grey Squirrel status in GB

The highly invasive grey squirrel is abundant and familiar almost everywhere in England and Wales and is still expanding its range in Scotland.

Habitat summary: Sciurus carolinensis, Grey Squirrel

Grey squirrels occur in all woodland, but are most abundant in mature deciduous woods; they also occur in open habitats (e.g. gardens, farmland) where trees are present. They readily cross open areas without trees, but hesitate to cross open water.

Overview table

Environment: Terrestrial
Species status: Non-Native
Native range: Eastern United States, Far East United States, South East Canada 1, South East Canada 2
Functional type: Omnivore
Status in England: Non-Native
Status in Scotland: Non-Native
Status in Wales: Non-Native
Location of first record: Llandisilio Hall
Date of first record: 1828

Distribution map

Map of the UK with areas shaded to show the UK distribution of Grey Squirrel

GB Distribution from NBN Atlas

Author's name:

John Marchant, Piero Genovesi and Sandro Bertolino

Last updated:

October 4th 2019

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Thin strip of image show tree trunk and bark