The head, the back and the top of the chest are brown-gray. The bottom of the chest, the belly and the caudal ones are blue gray. The tail is blue.The curve of the wing, the lower part of the wing covers and the thighs are yellow. Almost all the birds have a large yellow tape on the crown. The covers aliares and the feathers of flight are dark brown gray.The iris is red-orange and the black ocular circle, like the nozzle. The legs are gray dark.The young people have a dark iris of color brown. The overall color is brown greenish, without yellow with the crown and the thighs. The yellow of the wing is less wide.The adult plumage is reached in twelve months.