The Green-cheeked Amazon from Mexico, also more appropriately Red-crowned Amazon (since many Amazons have green cheeks -- but some also have red brows).
The Lilac-crowned Amazon from Mexico, can look similar to its compatriot, the Green-cheeked Amazon, especially to juvenile Green-cheeks.
The Festive Amazon native to northern South America (Brazil, Colombia, Venezuela, Guyana, Ecuador, Peru).
Amazona festiva (festiva)
is a subspecies of the Festive Amazon above with more blue on its face.
Amazona festiva bodini