Proteins (lat. Sciurus) - rod, rodents of the family of squirrel. In addition to the actual kind of Sciurus, proteins called a number of representatives of the family of squirrel of the families of the red squirrel (Tamiasciurus), palm squirrel (Funambulus) and many others. As for the kind of Sciurus, it includes about 30 species, common in Europe, North and South America and in temperate Asia.
