ScienceDaily Posted August 11, 2020 Share Posted August 11, 2020 New research has resulted in an updated evolutionary tree of early birds and their closest relatives to reconstruct powered flight potential, showing it evolved at least three times. Many ancestors of the closest bird relatives neared the thresholds of powered flight potential, suggesting broad experimentation with wing-assisted locomotion before flight evolved.View the full article Quote Link to comment Share on other sites More sharing options...
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