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The cheetah's chest is deep and its waist is narrow. The coarse, short fur of the cheetah is tan with round black spots measuring from 2 to 3 cm (0.79 to 1.2 in) across, affording it some camouflage while hunting. There are no spots on its white underside, but the tail has spots, which merge to form four to six dark rings at the end. The tail usually ends in a bushy white tuft. The cheetah has a small head with high-set eyes. Black "tear marks" running from the corner of its eyes down the sides of the nose to its mouth keep sunlight out of its eyes and aid in hunting and seeing long distances. Although it can reach high speeds, its body cannot stand long distance running. It is a sprinter. The adult cheetah weighs from 36 to 65 kg (79 to 140 lb). Its total body length is from 115 to 135 cm (45 to 53 in), while the tail can measure up to 84 cm (33 in) in length. Cheetahs are 67 to 94 cm (26 to 37 in) in height at the shoulder. Males tend to be slightly larger than females and have slightly bigger heads, but there is not a great variation in cheetah sizes and it is difficult to tell males and females apart by appearance alone.
Spotted at Toronto Zoo, Ontario, Canada
The cheetah is the only extant member of the genus Acinonyx, most notable for modifications in the species' paws. As such, it is the only felid with non-retractable claws and pads that, by their scope, disallow gripping (therefore cheetah cannot climb vertical trees, although they are generally capable of reaching easily accessible branches). The cheetah, however, achieves by far the fastest land speed of any living animal — between 112 and 120 km/h (70 and 75 mph) in short bursts covering distances up to 500 m (1,600 ft), and has the ability to accelerate from 0 to over 100 km/h (62 mph) in three seconds.