It’s only been in the last few years that scientists have realized that pronghorn, elk and mule deer are migrating rugged terrain over hundreds of miles to reach the best grazing around Yellowstone and Grand Teton National Parks.
It’s almost impossible to conceive what these animals endure on those journeys. But that’s what wildlife photographer Joe Riis set out to document through pictures.
Wyoming Public Radio’s Melodie Edwards talked to him about his new book, Yellowstone Migrations…and how he got into photography in the first place.