The eastern gray squirrel (Sciurus carolinensis), also known 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. Widely introduced to certain places around the world, the eastern gray squirrel in Europe, in particular, is regarded as an invasive species.
In Europe, Sciurus carolinensis is included since 2016 in the list of Invasive Alien Species of Union concern (the Union list). This implies that this species cannot be imported, bred, transported, commercialized, or intentionally released into the environment in the whole of the European Union.
Sciurus carolinensis is native to the eastern and midwestern United States, and to the southerly portions of the central provinces of Canada. The native range of the eastern gray squirrel overlaps with that of the fox squirrel (Sciurus niger), with which it is sometimes confused, although the core of the fox squirrel's range is slightly more to the west. The eastern gray squirrel is found from New Brunswick, through southwestern Quebec and throughout southern Ontario plus in southern Manitoba, south to East Texas and Florida. Breeding eastern gray squirrels are found in Nova Scotia, but whether this population was introduced or came from natural range expansion is not known.
A prolific and adaptable species, the eastern gray squirrel has also been introduced to, and thrives in, several regions of the western United States and in 1966, this squirrel was introduced into Vancouver Island in Western Canada in the area of Metchosin, and has spread widely from there. They are considered highly invasive and a threat to both the local ecosystem and the native squirrel, the American red squirrel.
Au parc oui, nous pouvons aller devant eux. Ils ont l'habitude et savent qu'ils reçoivent quelque chose. Mais nous devront arrêter ça partout, car les coyotes ont envahi le parc et maintenant ils attaquent les gens. Hier soir aux news, ils disent qu'on coyote a attaque un cycliste en montée (sur le tour intérieur du parc). Il y déjà eu pas mal d'attaques. La première femme qui "a eu droit" dans sa jambe gauche, elle en a pour 6-9 mois pour se remettre des blessures.