Large animal migrations are among the most primordial rhythms of life on earth, and, as scientists have recently discovered, the American West is home to some o

The migrations of Wyoming's hooved mammals--mule deer, pronghorn, elk, and moose--between their seasonal ranges are some of the longest and most noteworthy migr

The world's first national park, Yellowstone is a symbol of nature's enduring majesty and the paradigm of protected areas across the globe. But Yellowstone is c

The world's first national park is constantly changing. How we understand and respond to recent events putting species under stress will determine the future of