Hummingbirds are natural acrobats, twisting their wings in ways that let them fly backward and upside down, unlike any other bird (SN: 1/13/16). New high-speed video now shows how, using a bit of aerial gymnastics, hummingbirds can also slip through gaps narrower than their wingspan.
Most birds can bend their wings at the wrist, pulling arched wings close to their bodies to navigate their way through dense vegetation like branches. But hummingbird wings aren’t as flexible. Because the wings stick straight out from a hummingbird’s body, getting through tight spaces requires some tricky maneuvering.
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