Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
web.archive.org
Zoonomen Nomenclatural data (2017) Alan P. Peterson Columbiformes. Acceso: 28 de septiembre de 2017