Remsen, J.V. Jr.; Powell, A.F.L.A.; Schodde, R.; Barker, F.K.; Lanyon, S.M. (2016). "A revised classification of the Icteridae (Aves) based on DNA sequence data". Zootaxa. 4093 (2): 285–292. doi:10.11646/zootaxa.4093.2.9. PMID27394496.
Moyobamba - Peru, 2007, archived from the original on 2008-01-06, retrieved 2007-09-28. The source given is Moyobamba, apuntes turísticos y geográficos by Pedro Vargas Roja.
Remsen, J.V. Jr.; Powell, A.F.L.A.; Schodde, R.; Barker, F.K.; Lanyon, S.M. (2016). "A revised classification of the Icteridae (Aves) based on DNA sequence data". Zootaxa. 4093 (2): 285–292. doi:10.11646/zootaxa.4093.2.9. PMID27394496.
Moyobamba - Peru, 2007, archived from the original on 2008-01-06, retrieved 2007-09-28. The source given is Moyobamba, apuntes turísticos y geográficos by Pedro Vargas Roja.