There are several hypothesizes for how early brachiating primates may have transitioned into bipedalism. They move about through trees by jumping and brachiating. Some children's parks include monkey bars which children play on by brachiating. It is diurnal and arboreal, climbing trees skilfully and brachiating through the forests. Specialized locomotor behaviours, such as brachiating, are thought to have evolved from arboreal quadrupedalism. With its long arms they swing on branches, brachiating at a fast pace.