Coucou de Rennes (IMAGE) Uppsala University Caption This is Coucou de Rennes, a French breed with the characteristic sex-linked barring phenotype. Credit Hervé Ronné, Ecomusée du pays de Rennes Usage Restrictions May only be published in connection to reports about the research by Schwochow Thalmann D, Ring H, SundstroÈm E, Cao X, Larsson M, Kerje S, et al. (New study reveals how some chickens got striped feathers) License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.