image: This is a feather tuft above the shoulder on the feathered dinosaur from Alberta. This image relates to a paper that appeared in the Oct. 26, 2012, issue of Science, published by AAAS. The paper, by Darla Zelenitsky at University of Calgary in Calgary, AB, Canada, and colleagues was titled, “Feathered Non-Avian Dinosaurs from North America Provide Insight into Wing Origins." view more
Credit: [Image courtesy of Chris DeBuhr, University of Calgary]