The Scarlet Macaw is a large, colorful macaw. It is native to humid evergreen forests in the American tropics. Range extends from extreme south-eastern Mexico to Amazonian Peru, Bolivia and Brazil. It has suffered from local extinction through habitat destruction and capture for the parrot trade, but locally it remains fairly common. Formerly it ranged north to southern Tamaulipas. It can still be found on the island of Coiba.
It is 85 cm long, of which more than half is the pointed, graduated tail typical of all macaws, though the Scarlett Macaw has a larger percentage of tail than the other large Macaws. The average weight is about 1 kg. The plumage is mostly scarlet, but the rump and tail-covert feathers are light blue, the greater upperwing coverts are yellow, the upper sides of the flight feathers of the wings are dark blue as are the ends of the tail feathers, and the undersides of the wing and tail flight feathers are dark red with metallic gold iridescence.