In the paper birch trees, in particular, the layers peel away in horizontal, curly strips. Lenticels are pores that move carbon dioxide and oxygen through a tree's protective outer bark.

Most people think of the classic birch tree with white bark, but there are also varieties with red, peeling bark and upright ...

One such species is the river birch, Betula nigra. The bark of this tree exfoliates — or peels away in layers — to reveal shades of cinnamon, cream, salmon and pink. Light, wispy branching ...

Yellow Birch boasts distinctive ... is the luminous quality of the bark on branches and young stems, presenting a silvery-gray or yellowish-brown sheen in loose, horizontal layers akin to ribbons. As ...

Birches also have bark that more readily ... Interestingly, the sweet sap of the birch can be reduced into syrup and was once used as birch beer. The tree is valuable to wildlife species that ...

Canoe builders have a trained eye for picking out a "canoe birch-bark tree," which ideally should be some 50-60 inches in diameter Due to the decimation of forests for lumber and pulpwood ...

In his rustic cabin in the forests of southern Finland, 87-year-old Erkki Pekkarinen carves delicate strips of birch bark ... honey-hued bark from the black and white boreal tree can be ...