The Macaws are not Spix
Blu and Jewel are Hyacinth macaws. Hyacinth the largest macaws, while Spix macaws are the rarest.
shareNo, the are spix' macaw. If they were Hyacint macaws, they would have yellow skin around their eyes and beak.
Also, one of the characters even ones mentions the scientific name of the Spix macaw.