Figure 3. The proportion of intact vane in the tail feathers of the albino juvenile Great Frigatebird, plotted as a percentage of the length of the vane of a tail feather from the same position on a typically colored juvenile Great Frigatebird. Numbering of the tail feathers, of which there are 12, begins with the middle two tail feathers and proceeds innermost to outermost on the left (LT1–LT6) and right (RT1–RT6) sides