Orangutans have it easy
Swaying from tree to tree is done with the greatest of ease.
Red apes have an easy life: their preferred method of getting from one tree to the next in the jungle not only keeps them safe from harm, but also saves them a lot of hard work. A detailed investigation into how orangutans use the sway of branches to propel themselves from tree to tree shows that it is way more efficient than climbing down one tree and up the next.
