The cheetah is an atypical member of the cat family that is unique in its speed, while lacking strong climbing abilities. The species is the only living member of the genus Acinonyx. It is the fastest land animal, reaching speeds between 112 and 120 km/h (70 and 75 mph) in short bursts covering distances up to 460 m (1,510 ft), and has the ability to accelerate from 0 to 103 km/h (64 mph) in three seconds, faster than most supercars. Recent studies confirm the cheetah’s status as the fastest land animal. The cheetah has unusually low genetic variability and a very low sperm count and motility, and deformed flagella.[8] Skin grafts between unrelated cheetahs illustrate this point in that there is no rejection of the donor skin. It is thought that the species went through a prolonged period of inbreeding following a genetic bottleneck during the last ice age. It probably evolved in Africa during the Miocene epoch (26 million to 7.5 million years ago), before migrating to Asia
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