Built for Speed - A Year in the Life of Pronghorn

North America's fastest mammal, the pronghorn can accelerate explosively from a standing start to a top speed of 60 miles per hour--but it can also cruise at 45 miles per hour for many miles. What accounts for the speed of this extraordinary animal, a denizen of the American outback, and what can be observed of this creature's way of life? And what is it like to be a field biologist dedicating twenty years to studying this species? In Built for Speed, John A. Byers answers these questions as he draws an intimate portrait of the most charismatic resident of the American Great Plains.