WTF Fun Fact – Natural Mechanical Gears

There is a small hopping insect known as Issus Coleoptratus which has toothed gears in its joints to precisely synchronize its legs while jumping. They are the only mechanical gears which have been found in nature. – WTF Fun Facts

Source: https://www.smithsonianmag.com/science-nature/this-insect-has-the-only-mechanical-gears-ever-found-in-nature-6480908/