Encyclopedia of Parrots
The Primolius genus includes three small Macaws native to South America.
Similar to the larger Macaws the Primolius have a large powerful beak, very long tail, lang, and a patch of naked skin extending from the eye to the lower mandible.
Primolius auricollisGolden-collared Macaw
Primolius couloniBlue-headed Macaw
Primolius maracanaBlue-winged Macaw