Cows occasionally nudged the hind ends of lounging newborn calves, which scampered, nursed and rested again. A 3-year-old bull curiously approached the fence line where Seaton tossed cubes of alfalfa.

A flat tire, a high tide and a wildfire all threatened to derail the reintroduction of the first herd of wood bison to roam the United States in more than a century. A flat tire, a high tide and a ...