Shultz, Allison J.; Burns, Kevin J. (2013). «Plumage evolution in relation to light environment in a novel clade of Neotropical tanagers». Molecular Phylogenetics and Evolution. 66 (1): 112–125. PMID23026808. doi:10.1016/j.ympev.2012.09.011
Jordan, E.A.; Areta, J.I.; Holzmann, I. (2017). «Mate recognition systems and species limits in a warbling-finch complex (Poospiza nigrorufa/whitii)». Emu. 117 (4): 344–358. doi:10.1080/01584197.2017.1360746
Jordan, E.A.; Areta, J.I.; Holzmann, I. (2017). «Mate recognition systems and species limits in a warbling-finch complex (Poospiza nigrorufa/whitii)». Emu (em inglês). 117(4): 344-358. ISSN0158-4197. doi:10.1080/01584197.2017.1360746
Shultz, Allison J.; Burns, Kevin J. (2013). «Plumage evolution in relation to light environment in a novel clade of Neotropical tanagers». Molecular Phylogenetics and Evolution. 66 (1): 112–125. PMID23026808. doi:10.1016/j.ympev.2012.09.011
Jordan, E.A.; Areta, J.I.; Holzmann, I. (2017). «Mate recognition systems and species limits in a warbling-finch complex (Poospiza nigrorufa/whitii)». Emu (em inglês). 117(4): 344-358. ISSN0158-4197. doi:10.1080/01584197.2017.1360746