The red-tailed Amazon has a mainly deep green plumage with a broad red band on the tail, for which it is named, that becomes especially visible when the birds are displaying (4) (5). The forehead is rose-red, shading to purplish-pink on the mid-crown, while the cheeks, chin, ear-coverts, throat and upper breast are violet-blue (4) (6). The wings display some red on the shoulders and the flight-feathers are tipped in dark blue (2) (4). While the central tail feathers are green, the lateral tail feathers have a bluish base, a broad red band and yellow tips (4) (6).