156KiB, 1600x1000, Cool-Bird-feat-img.jpg View SameGoogleiqdbSauceNAO Anonymous Sat 13 Jun 13:00:25 2020 No.11793341 ViewReplyOriginalReport Quoted By: >>11795223 What combination of gravity, wind, wings, aerodynamics, gliding and catching wind at low altitudes allow a bird to fly? Are there any scholarly articles on this?