Biomimicry is a method where humans use to solve problems by emulating designs and ideas found in nature. It is commonly found in buildings, vehicles, clothing, and materials.
Bullet trains inspired from Kingfishers
Cephalopod Camouflage
Ventilation Systems Inspired By Termites
Antimicrobial Film Mimicking Sharkskin
Source: https://www.digitaltrends.com/cool-tech/biomimicry-examples/