The laetoli footprints provide important information regarding the bipedality of early hominins.
Bipedalism is the term for moving around on two legs, such as while walking, jogging, or running. Although it is common to see animals standing or moving on two legs, only a small number of creatures really use bipedalism as their primary mode of propulsion.
Animals that temporarily become bipedal in order to accomplish a certain task, such as chimpanzees and gorillas, engage in a kind of locomotion known as facultative bipedalism.
For instance, octopodes occasionally walk on two legs to hide from predators. The octopus uses its remaining two limbs to literally walk away after piling six of its eight arms on top of its head to resemble a drifting plant.
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