AeroVironment - In 2011, the Nano Hummingbird UAS made the cover of TIME Magazine and was named one of the "50 Best Inventions." Explore other AeroVironment milestones here: https://bit.ly/2G6VEX2 | Facebook
Hummingbird 'Spy' Drone Captures Stunning Video from Inside a Monarch Butterfly Swarm | PetaPixel
Pentagon working on hummingbird-sized spy drones - CSMonitor.com