Though it is hard to accurately rank dog breeds by their top speeds, the greyhound seems to be the clear winner of the race. Known to many as racing dogs, a running greyhound clocks in at around 45 mph (72.4 kmh)-and they can get up to that top speed in as little as 30 feet (9.1 m). Known as a sighthound, the greyhound also has superior eyesight, with a field of vision nearly double that of a human's. The 270-degree field of vision of a greyhound is due to the placement of their eyes on their heads.
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Key Facts In This Video
A greyhound can reach speeds up to 45 mph (72.4 kmh) in just 30 ft (9.1 m). 00:08
The greyhound is the only dog breed to be mentioned by name in the bible. 00:50
The eye placement of a greyhound provides the dog with a 270-degree field of vision. 01:24