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ScienceActually · @scienceactually
55 followers · 194 posts · Server sfba.social
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Hummingbirds use their wings to generate rotational lift. They have a unique joint at the shoulder that lets them move their wings in a figure-eight motion providing power on the upstroke and downstroke.

#science #sciencefacts #hummingbird #upstroke #downstroke #figureeight #figure8

Last updated 1 year ago
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C. Foix · @CFoix
24 followers · 1461 posts · Server sauropods.win

#microraptor #dippers #deeming #flightlessness #flight #evolution #aves #theropods #diving #spinosaurus #upstroke #archaeopteryx #penguins #plotopterids #hesperornithids #palaeognaths #tinamous #wair #treesdown #groundup #burstflight #gliding #soaring #galliforms #rallids #dodo #acetabulum

Last updated 2 years ago
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