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Jackdaws flap their wings to save energy

05:31 EDT 11 Aug 2017 | Physorg.COM

For the first time, researchers have observed that birds that fly actively and flap their wings save energy. Biologists at Lund University in Sweden have now shown that jackdaws minimise their energy consumption when they lift off and fly, because the feathers on their wing tips create several small vortices instead of a single large one. The discovery could potentially be applied within the aeronautical industry.

Original Article: Jackdaws flap their wings to save energy

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