Comment Comment by carabiner Yeah, it's horribly inefficient to do this (flapping wings) at larger sizes. Birds, bats, insects actually evolved to flap less as they get larger: https://www.researchgate.net/figure/Wingbeat-frequency-versu...A condor with a 10-ft wingspan might not flap for hours - so it glides, just like an airplane: https://www.sciencealert.com/giant-andean-condors-can-fly-fo...A hummingbird (4 inch wingspan) flaps at 60 Hz though. It can hover too, just like an insect. parent carabiner 5 years ago
A condor with a 10-ft wingspan might not flap for hours - so it glides, just like an airplane: https://www.sciencealert.com/giant-andean-condors-can-fly-fo...
A hummingbird (4 inch wingspan) flaps at 60 Hz though. It can hover too, just like an insect.