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Quadrupedalism
Form of locomotion using four limbs / From Wikipedia, the free encyclopedia
Quadrupedalism is a form of locomotion where animals have four legs are used to bear weight and move around. An animal or machine that usually maintains a four-legged posture and moves using all four legs is said to be a quadruped (from Latin quattuor for "four", and pes, pedis for "foot"). Quadruped animals are found among both vertebrates and invertebrates.
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Not to be confused with tetrapod.
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