Distinctive feature of wood of this kind of a maple - small dark specks, under the form reminding the bird's eye. There are many theories about the occurrence reason ptichih an eye, but any of them has not been proved definitively: mushrooms-parasites which create roughnesses in a trunk; the bird's eyes develop, when the tree grows on a fruitless and rocky ground; genetic factors. Little changes in colour within one log are possible: from yellow-white at external edges, to a reddish log in a core. Besides, often there are black stains and brown sugar rags
