Travel to Montana’s Glacier National Park, and you’ll find the greatest Grizzly Bear refuge in North America. To better understand the species and its range, researcher Kate Kendall has collected more than 10,000 hair samples using barbed wire traps. The subsequent DNA analysis of the hair has allowed her to create the first ecosystem-wide survey of the population. And may help save the keystone species.
Read the whole story here: Saving the Grizzly on iTunes U