Two paths headed toward a convergence%3A lone hiker and grizzly bear mother with cub in the Upper Geyser Basin near the Old Faithful Inn In Yellowstone.  How much secure habitat does a healthy population of grizzlies need to persist%3F  Photo by Jim Peaco%252FNPS
Two paths headed toward a convergence%3A lone hiker and grizzly bear mother with cub in the Upper Geyser Basin near the Old Faithful Inn In Yellowstone. How much secure habitat does a healthy population of grizzlies need to persist%3F Photo by Jim Peaco%252FNPS