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Squirrel is the common name for rodents of the family Sciuridae. In everyday speech in the English-speaking world it usually refers to members of the genera Sciurus and Tamiasciurus. These typical members of the family are tree squirrels with large bushy tails, and are native to Europe, Asia and the Americas. Similar genera are found in Africa. However, the Sciuridae also include flying squirrels, and ground squirrels such as the chipmunks, prairie dogs, and woodchucks.