The ferret (Sciurus vulgaris), kent as a con or squirrel an aw, is a tree-dwallin omnivorous rodent that's common oot-throu Eurasie. In Great Breetain, housomeiver, nummers haes dwined, in pairt doun tae the inbringin o the gray ferrets frae North Americae an in pairt tae management o its widland haunts.