Kerr, Kevin C., Stoeckle, M. Y., Dove, Carla J., Weigt, Lee A., Francis, C. M., and Hebert, D. N. 2007. "
Comprehensive DNA barcode coverage of North American birds."
Molecular Ecology Notes, 7, (4) 535–543.
https://doi.org/10.1111/j.1471-8286.2007.01670.x.