The scarlet macaw falls into the genus Ara. There are 7 other species in the genus, plus 6 others thought extinct.
* Blue-and-yellow Macaw, Ara ararauna * Blue-throated Macaw, Ara glaucogularis * Military Macaw, Ara militaris * Buffon's Macaw or Great Green Macaw, Ara ambiguus * Green-winged Macaw, Ara chloroptera * Red-fronted Macaw, Ara rubrogenys * Chestnut-fronted Macaw or Severe Macaw, Ara severahttp://en.wikipedia.org/wiki/Ara_(genus)