There is the issus, a small jumping insect which has developed a gearbox in order to get adequate jumping power: https://www.cam.ac.uk/research/news/functioning

There is the issus, a small jumping insect which has developed a gearbox in order to get adequate jumping power: https://www.cam.ac.uk/research/news/functioning-mechanical-gears-seen-in-nature-for-the-first-time https://www.cam.ac.uk/research/news/functioning-mechanical-g...