YELLOWSTONE NATIONAL PARK – Snow crunched underfoot as Mark Hebblewhite scanned the ridgelines of Canada’s Banff National Park. It was 1995, and the young biologist, fresh out of undergrad, was ...
YELLOWSTONE NATIONAL PARK, Wyo. — Snow crunched underfoot as Mark Hebblewhite scanned the ridgelines of Canada’s Banff National Park. It was 1995, and the young biologist, fresh out of undergrad, was ...