Drone developers from around the globe are taking inspiration from nature for the latest generations of automated aerial vehicles. Researchers are faced with challenging problems of navigating tight environments, whether in urban environments, or underground. A total of 14 research teams have turned to nature for inspiration to develop superior capabilities in drones. Drones are now capable of picking up and delivering packages, which requires precise flight control and navigation. Bats are well-equipped for flying in and out of tight spaces. Vehicles with similar capabilities could be used in small areas that are unsafe for human occupation.