We all know about the cheetah's electrifying speed. Large nostrils and an enlarged heart and lungs help the world's fastest land animal to reach speeds of 114kph (71mph). A long tail helps it to ...

Altogether, 5 subspecies of cheetah have been described: Cheetahs are blisteringly fast and can reach speeds up to 64 miles per hour in 3 seconds, making them the fastest land animals in the world ...