The animal with the highest number of legs, reaching up to 750, is the millipede. Despite its name, millipedes don't actually have 1,000 legs as their name suggests, but they come pretty close with some species having as many as 750 legs. These multi-legged creatures are often mistaken for centipedes, but they have much more legs than their cousins, which have no more than 354 legs. Millipedes use their many legs to navigate through the forest floor, burrowing in soil, and sometimes to ward off predators. Overall, the millipede is a fascinating and unusual animal with an incredible number of legs.