Study Finds Wild Birds Can Fly More Cheaply Than Swimming
An international study of wild birds and bats found that, once atmospheric effects are accounted for, flying can require less energy than swimming, challenging a longstanding textbook view.
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| Oct 15, 11:13 AM | insidenova.com | Is flying the most energy-efficient form of travel for birds? |
| Oct 15, 11:00 AM | phys.org | Wild birds rewrite rules of flight efficiency: Study reveals power of 'free fuel' from the sky |