ScienceDaily Posted February 11, 2015 Share Posted February 11, 2015 Bird species have adapted to so many ecological niches in large part because of the variety of ways feathers lend them a competitive advantage. New research shows that one key to the feather's manifold manifestations is the dynamic evolution of a protein family that first appeared some 150 million years ago: the beta-keratins. Read the full article on ScienceDaily Link to comment Share on other sites More sharing options...
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