I've noticed that my birch logs left outdoors take way longer to decompose than maple ones.
Answer,
Sometimes I find birch trunks are rotted away, only the bark remains and stays usable for many years.
Baskets, boxes, makeshift mugs, knife handles and sheaths. Left over pieces as a fire starter.
Easily carved wood, refreshing sap, roots for cordage and nets, fine twigs for brooms or woven to sieves.
The white lady of the forest gives us so much.