The back, wings and tail are olive-green, but the head is gray. There is a constrasting white eye ring and a white line connecting the eye ring to the base of the bill.
Wing bars are absent.
The feathers on the underside of the tail are yellow. There are orange feathers on the crown on the head, but they are very seldom seen. The female is similar to the male, but the head is duller and greener. Similar to the breeding male and female. Similar to the female.