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 is constantly changing. How we understand and respond to recent events putting species under stress will determine the future of

The second edition of the award-winning Atlas of Yellowstone contains 50% new material, making it the authoritative reference for the world’s first national p