The Bay-headed tanager (Tangara gyrola) is mainly green apart from a chestnut head and occurs in Costa Rica, Panama, and in much of northern South America. The Bay-headed Tanager commonly occurs found in the canopy of humid forest. They also inhabit nearby clearings with scattered trees, semi-open areas, and tall second growth forests. Their diet mainly consists of fruits, but they frequently eat insects. There are nine sub-species and there are considerable plumage variations between the various subspecies. Males and females look alike.