When observed in captivity, the white spots appeared first, beginning at the flank, with the red ear as the last characteristic to emerge. The vermicular bars of the adult plumage are absent at the nape and crown, and are more subdued on the rest of the upper parts.
When observed in captivity, the white spots emerged first, starting at the side, with the red ear as the final feature to emerge. The stripes on a mature bird's feathers are less noticeable or absent from the upper parts of the body.