 Their status as separate species is unproven and they are regarded as hypothetical extinct species.In 2017 a study published by ornithologists Tony Silva, Antonio Guzmán, Adam D. Urantówka and Paweł Mackiewicz proposed a new species for the Yucatan Peninsula area (Mexico), being this named blue-winged amazon ("Amazona gomezgarzai").However, studies Subsequent questions its validity, indicating that these organisms possibly had an artificial hybrid origin.