Four decades ago, the areas around Yellowstone and Glacier National Parks sheltered the last few hundred surviving grizzlies in the Lower 48 states.
While humans and Bears have long shared space, today\'s grizzlies navigate a shrinking amount of wilderness: cars whiz lik.
Protected by the Endangered Species Act, their population has surged to more than 1,500, and this burgeoning number of grizzlies now collides with the increasingly populated landscape of the twenty-first-century American West.
Four decades ago, the areas around Yellowstone and Glacier National Parks sheltered the last few hundred surviving grizzlies in the Lower 48 states