PhysOrg Posted June 22, 2016 Share Posted June 22, 2016 (Phys.org)—A pair of researchers has found that at least one type of birds flies at just two speed levels. In their paper published in the journal Biology Letters, Ingo Schiffner and Mandyam Srinivasan with the University of Queensland in Australia, describe tunnel tests they conducted with budgerigars, what they found and offer some theories on why the birds fly at just two speeds. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
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