Animals use many objects as tools to achieve goals more easily. Such goals include grooming, finding food, and protecting themselves. For a long time, people thought tool use was unique to primates. Dolphins and other animals, though, have busted the myth that tool use requires hands. Inventively, dolphins use sponges to protect their noses from scratches when foraging on the seafloor. Palm cockatoos also get creative. They use leaves to pad their beaks when opening nuts.