Replica of an immature golden eagle feather. The young eagle has tail feathers which are white with a dark brown tip. As the eagle matures, the feathers transition to an almost completely brown feather with medium brown or off white regions. The immature golden eagle was the most common feather used for bonnets and fans and was and still is highly prized. The tail feathers are approximately 12 inches long and the secondaries are about 10" long.