Phylogenomic evidence for multiple losses of flight in ratite birdsDOI: info:10.1073/pnas.0803242105v. 105No. 36National Academy of Sciences (U.S.)13462–13467
Harshman, J., Braun, Edward L., Braun, Michael J., Huddleston, Christopher J., Bowie, R. C. K., Chojnowski, J. L., Hackett, S. J., Han, K., Kimball, R. T., Marks, B. D., Miglia, K. J., Moore, W. S., Reddy, S., Sheldon, F. H., Steadman, D. W., Steppan, Scott J., Witt, C. C., and Yuri, T. 2008. "Phylogenomic evidence for multiple losses of flight in ratite birds." Proceedings of the National Academy of Sciences of the United States of America, 105, (36) 13462–13467. https://doi.org/10.1073/pnas.0803242105.