Pronghorn Sheep! | Fairly Odd Facts

The pronghorn’s annual migration route has existed since prehistoric times, but modern developments have made the journey more difficult. | National Geographic TV

HELPING PRONGHORN CROSS THE INTERSTATE 80 WILDLIFE BARRIER Continuing on our I-80 theme this week, follow along with Wyoming Migration Initiative graduate fellow Benjamin Robb as he maps pronghorn movements along Interstate 80, the largest wildlife movement barrier in Wyoming. While researchers have long known that Interstate-80 is a barrier to ungulate movement across Southern Wyoming, it's only recently that enough data has been available to map this wildlife barrier from Rawlins to near the U