image: In this image, Julia Clarke is exposing wing features in the Inkayacu specimen. This image relates to an article that appeared in the September 30, 2010, issue of Science Express, published by AAAS. The study, by Dr. Julia Clarke of the University of Texas at Austin in Austin, Texas, and colleagues was titled, "Fossil Evidence for Evolution of the Shape and Color of Penguin Feathers.” view more
Credit: Image courtesy of N. Adam Smith, U.T. Austin