Born to run: Slow-motion footage shows how greyhounds, cheetahs fly

08/23/2013 | Popular Science

This video breaks down the running strides of the two fastest land animals: cheetahs, clocked at 75 mph, and greyhounds, recorded at speeds around 43 mph. Both animals are built for speed as their bodies are streamlined, powerful and have a flexible spine. Additionally, they run with a rotary gallop in which all four feet strike the ground in a specific, unique pattern, and they display two phases: a stretched-out phase, which looks much like flying, and a compression phase.

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