4299 x 5107 pixels. PNG with transparent background. Betula pendula Silver birch, Warty birch, East Asian white birch, or European white birch. Native to Europe and parts of Asia. Its range extends into Siberia, China and southwest Asia in the mountains of northern Turkey, the Caucasus and northern Iran. Introduced in North America. These were photographed in the shores of Loch Ness, Scotland.