He wears a non-descript coat of black feathers, enlivened only by a bold yellow collar, orange beak, and yellow legs and feet. ... he will appear disheveled, calling to mind a traveler who has spent too many days and nights on a day coach without changing clothes. This condition will change for the better as he matures ... . The ruffled look will be corrected by meticulous grooming and, after the first molt, the sooty black feathers of adolescence will be replaced by a glossy black plumage gleaming with a purple and green sheen.