It is around 81 centimeters (32 in) long, of which more than half is the pointed, graduated tail regular of all macaws, however the red macaw has a bigger rate of tail than the other vast macaws. The normal weight is around 1 kilogram (2.2 lb). The plumage is for the most part red, yet the posterior and tail-incognito quills are light blue, the more prominent upper wing coverts are yellow, the upper sides of the flight plumes of the wings are dim blue similar to the finishes of the tail quills, and the undersides of the wing and tail flight quills are dull red with metallic gold luminosity. A few parrots may have green in the wings. There is exposed white skin around the eye and from that point to the bill. Modest white plumes are contained on the face patch.
The upper beak is for the most part pale in shading and the lower is dark. Adolescents have dull eyes; grown-ups have light yellow eyes. It is oftentimes mistaken for the marginally bigger green-winged macaw, which has more particular red lines in the face and no yellow in the wing.
Red macaws make a lot of noise, high and here and there low-pitched, throaty cackles, squeaks and shouts intended to convey numerous miles to require their gatherings. The red macaw can satisfy 75 years in captivity, in spite of the fact that a more run of the mill lifespan is 40 to 50 years.