Most birds’ wings flap up and down, but the hummingbird’s wings, by contrast, move in a figure-eight motion.
To test that motion’s influence on the bird’s flight capabilities, scientists put one in a wind tunnel.
Here’s what they learned.
Most birds’ wings flap up and down, but the hummingbird’s wings, by contrast, move in a figure-eight motion.
To test that motion’s influence on the bird’s flight capabilities, scientists put one in a wind tunnel.
Here’s what they learned.