Stoodley, John. 1996. "Saving Species - Spix's Macaw Recovery Project". Caged Bird Hobbyist: pp. 56-57. Available from the WWW: http://www.bluemacaws.org/spixart9.htm.
(EN) F. Gill e D. Donsker (a cura di), Family Psittacidae, in IOC World Bird Names (ver 14.2), International Ornithologists’ Union, 2024. URL consultato il 5 settembre 2018.