Difference between revisions of "Translations:AY Honors/Birds - Advanced/Answer Key/72/en"
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− | Most birds move their wings up and down when they fly, but a hummingbird moves its wings front-to-back in a figure-eight pattern. | + | Most birds move their wings up and down when they fly, but a hummingbird moves its wings front-to-back in a figure-eight pattern. This allows them to generate lift on both the forward and backward strokes, as well as endowing them with the ability to hover and fly backwards. |
Latest revision as of 05:30, 5 April 2021
Most birds move their wings up and down when they fly, but a hummingbird moves its wings front-to-back in a figure-eight pattern. This allows them to generate lift on both the forward and backward strokes, as well as endowing them with the ability to hover and fly backwards.