Bird Variations (IMAGE) Nova Southeastern University Caption Scientists studied genomics of 48 bird species. Credit Stephen J. O'Brien, Avian Phylogenomics Project Usage Restrictions Credit given to: Stephen J. O'Brien Avian Phylogenomics Project 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.