How fast are you?
Did you know that the pronghorn antelope is the fastest land animal in North America? Reaching top speeds in excess of 50 miles per hour, it can leave most predators in the dust, and is surpassed in speed only by the cheetah. Biologists theorize that this incredible speed was developed to outrun predators that have long been extinct from their native range. How fast are you? Sign up to find out!