Eli5: how are humans, who are two legged, able to out endure creatures that are four legged?

Question

Eli5: how are humans, who are two legged, able to out endure creatures that are four legged?

In: 1455

Answer 1

Our bipedal motion is VERY energy efficient. A human can walk all day. Meanwhile, most four-legged animals can only move faster than us in short sprints. So all we have to do is just outlast them until they’re too tired to try to run anymore.