Which of the following animals has the fastest speed?

In this instance, from the animals listed, the pronghorn antelope has the fastest speed. It is a mammal that has been found in the interior of western and central North America. The scientific name of the pronghorn is 'Antilocapra Americana', and it is the sole extant member of the family 'Antilocapridae'.

The pronghorn antelope is known for being an animal that is preyed upon by others. This means that it uses its incredible speed to find food and outrun hostile predators when required. In North America, there are no animals capable of rivaling the pronghorn for speed.

Clocking in at an impressive 61 miles per hour, the pronghorn is easily able to outrun its biggest predators: wolves, cougars, coyotes and bobcats. But, animal experts say that the real power of the pronghorn isn’t speed—it’s endurance. The pronghorn has an exceptional cardiovascular system capable of sustaining the antelope during long chases. It’s reported that the pronghorn can run at 35 miles per hour for up to four miles straight, well beyond the range of most predators that it will try not to confront.