Wood Bison Reintroduced to its U.S. Natural HabitatNorth America's largest land mammal started an historic journey back to Alaskan wilderness. Caslon Hatch of KTUU reports from near Anchorage, Alaska.Wood Bison Reintroduced to its U.S. Natural Habitat01:29Get more newsLiveonNBC News NowPrintMarch 23, 2015, 8:48 AM UTC / Updated March 23, 2015, 8:48 AM UTC