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The ostrich is the fastest bird on land, as well as the fastest running animal on two legs. [51] [52] The highest reliably measured running speed for ostriches is 61 km/h (38 mph), obtained by speedometer reading when a car was chasing an ostrich in a straight line chase to force it to move as fast as it could. [53]
There are indirect ways to measure how fast a cheetah can run. One case is known of a cheetah that overtook a young male pronghorn. Cheetahs can overtake a running antelope with a 140 m (150 yd) head start. Both animals were clocked at 80 km/h (50 mph) by speedometer reading while running alongside a vehicle at full speed. [106]
The pronghorn is the fastest land mammal in the Western Hemisphere, being built for maximum predator evasion through running. The top speed is dependent upon the length of time over which it is measured. It can run 56 km/h (35 mph) for 6.5 km (4 mi), 68 km/h (42 mph) for 1.5 km (1 mi), and 88.5 km/h (55 mph) for 800 m (0.5 mi).
The title of "fastest land animal" doesn't belong to the cheetah or Olympic sprinter Usain Bolt -- instead, it goes to a tinier creature. Much tinier. Like, the size of a sesame seed. Samuel ...
Sarah was known as the world's fastest land mammal according to National Geographic magazine. [2] [3] She ran 100 meters in 5.95 seconds (more precisely, 5.9564 seconds and up to 61 miles an hour (98 km/h)) in 2012, when she was 11 years old. [4] She died on January 22, 2016, at the supposed age of 15. [5]
Limitations of animal running speed provides an overview of how various factors determine the maximum running speed. Some terrestrial animals are built for achieving extremely high speeds, such as the cheetah , pronghorn , race horse and greyhound , while humans can train to achieve high sprint speeds.
The fastest terrestrial animal is the cheetah, which can attain maximal sprint speeds of approximately 104 km/h (64 mph). [20] [21] The fastest running lizard is the black iguana, which has been recorded moving at speed of up to 34.9 km/h (21.7 mph). [citation needed]
This is a list of the fastest flying birds in the world. A bird's velocity is necessarily variable; a hunting bird will reach much greater speeds while diving to catch prey than when flying horizontally. The bird that can achieve the greatest airspeed is the peregrine falcon (Falco peregrinus), able to exceed 320 km/h (200 mph) in its dives.