Nowak, Jennifer, Andrew Sweet, Jason Weckstein, and Kevin Johnson. “A Molecular Phylogenetic Analysis of the Genera of Fruit Doves and Allies Using Dense Taxonomic Sampling”. Illinois Natural History Survey Bulletin 42 (August 15, 2019): 2019001. Accessed December 9, 2021. https://iopn.library.illinois.edu/journals/inhs/article/view/93.