Huge, blue macaw with yellow facial skin. Intense cobalt blue coloration with black underwings, bare yellow orbital area and lappet bordering the lower mandible. Long tail and huge bill. Immatures have shorter tail and paler yellow bare facial skin. Older adults have lighter grey or white legs. The hyacinth macaw is found primarily in Brazil, with small occurrences in east Bolivia and Paraguay. The species inhabits floodplains and savanna adjacent to tropical forests, shrubland, palm-stands, and palm-savannas