A robot with wings that move like a hawk’s can fly more stably and nimbly than other flying robots – and it uses less power, extending flight time
Source:
https://www.newscientist.com/article/2258426-hawk-inspired-robot-with-movable-wings-is-an-agile-long-distance-flyer/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home