Once They Were Hats: In Search of the Mighty Beaver

Finalist for the 2015 Lane Anderson Award and the 2016 Butler Book Prize

Beavers, those icons of industriousness, have been gnawing down trees, building dams, shaping the land, and creating critical habitat in North America for at least a million years. Once one of the continent’s most ubiquitous mammals, they ranged from the Atlantic to the Pacific, and from the Rio Grande to the edge of the northern tundra. Wherever there was wood and water, there were beavers — 60 million (or…