Fastest mammal on land – over long distances
Who
Pronghorn, Antilocapra americana
What
56 kilometre(s) per hour
Where
Not Applicable ()

The North American pronghorn (Antilocapra americana) is the fastest land animal when measured steadily over a long distance. These antelope-like ungulates have been observed to travel continuously at 56 kilometres (35 miles) per hour for as far as 6.6 kilometres (4.1 miles). They are found in western USA, south-western Canada and parts of northern Mexico.