Discovering the Pronghorn Antelope: North America's Speedy and Agile Mammal

Science Kids Fastest Animals On Earth - Cheetah, Pronghorn, Springbok, Quarter Horse and More! The pronghorn antelope, also known as the American antelope, is a remarkable species native to North America known for its incredible speed and unique adaptations for predator evasion. With running speeds of up to 55 mph, the pronghorn is the fastest land mammal in the Western Hemisphere. Evolving alongside now-extinct predators like the American cheetah, the pronghorn's physiology, including its large windpipe, heart, and lungs, and specialized hooves, make it a fascinating example of evolutionary adaptation for speed and survival.