Forum > Birds In The News > Small Vortex On Wing Makes The Elegance Of Birds' Flight

Webmaster Posted 05-Jun-2015 10:30
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From Science Daily and BBC on 05-Jun-2015 10:30

Birds use a thumb-like structure on the wing to create a small vortex which makes their turns and landings smooth, new research shows. This is the first time that researchers have found evidence that the effect of the alula is due to a small vortex formed at the tip of the alula feathers.


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