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The eastern gray squirrel (Sciurus carolinensis), also known, particularly outside of the United States, as simply the grey squirrel, is a tree squirrel in the genus Sciurus. It is native to eastern North America, where it is the most prodigious and ecologically essential natural forest regenerator.
Habitat map of Eastern gray squirrel Sciurus carolinensis: Date: 2 April 2010: Source: File:BlankMap-World6, compact.svg by Canuckguy et al.
The eastern grey squirrel was introduced to Continental Europe in 1948 and has quickly taken advantage of Europe's food sources, habitats and lack of predators for grey squirrels. [1] Genetic studies have shown that human intervention-- released pets and intentional dispersal--may play a much larger role in the spread of grey squirrels than ...
A black eastern gray squirrel in Calgary, Alberta. The species was introduced into the area in the 1930s. Eastern gray squirrels, including their black morphs, were introduced into British Columbia during the early 1900s. [3] The species was also later introduced into other areas of Canada to which it was not native, such as Calgary, Alberta ...
The fox squirrel (Sciurus niger), also known as the eastern fox squirrel or Bryant's fox squirrel, [3] is the largest species of tree squirrel native to North America. It is sometimes mistaken for the American red squirrel or eastern gray squirrel in areas where the species co-exist , though they differ in size and coloration.
The eastern grey squirrel carries a disease, the squirrel parapoxvirus, that does not appear to affect their own health but will often kill the red squirrel. It was revealed in 2008 that the numbers of red squirrels at Formby (England) had declined by 80% as a result of this disease, [ 25 ] though the population is now recovering.
Gray squirrel or grey squirrel may refer to several species of squirrel indigenous to North America: The eastern gray squirrel ( Sciurus carolinensis ), from the eastern United States and southeastern Canada; introduced into the United Kingdom, Ireland, western North America, Italy, and South Africa
Squirrel family (Order Rodentia, Family Sciuridae) Groundhog, woodchuck or whistle pig (Marmota monax) — scarce when Europeans first came to North America, but they have thrived since then. [12] Eastern gray squirrel (Sciurus carolinensis) — the most frequently seen mammal in Connecticut [3] and the largest squirrel found in the state ...