Fossil overturns more than a century of knowledge about the origin of modern birds (VIDEO)
Caption
Video showing the rotating pterygoid (a palate bone) of Janavis finalidens, which is very similar to that of living duck- and chicken-like birds. The bone was found as two matching fragments, which have been digitally fitted together. The bone is hollow and was likely full of air in life, as shown by the large opening on its side.
Credit
Dr Juan Benito and Dr Daniel Field, University of Cambridge
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