What time is it? Watches and horology

https://www.cam.ac.uk/research/news/functioning-mechanical-gears-seen-in-nature-for-the-first-time?fbclid=IwAR1dLakC9lw0Qf3AmtacIQXEUHCu6ozj5e3CzJs_KALXkjjWjea29XHU-1Q

Previously believed to be only man-made, a natural example of a functioning gear mechanism has been discovered in a common insect - showing that evolution developed interlocking cogs long before we did.

TLDR: Insects use gear systems for timing purposes.