Man-Made Barriers to Pronghorn Migration

For centuries, herds of pronghorn have traveled hundreds of miles across the west in the second longest land migration in the North America. But now pronghorn often encounter barbed wire fences on private land that delay or halt their journey. Now, scientists and wildlife managers are developing fencing systems that allow the pronghorn to cross safely. Clay Scott reports from Montana. (published November 6, 2015)