I used the genetics calculator to determine what I would get it I crossed my pencilled runner drake with a black runner duck.
Males - black self runner/pied
Female - chocolate self runner/pied
Does it mean they would be the same pattern as the pencilled but have different colour vests (as I call them :) (ie: the chest and head) - brown for girls, black for boys?
I can't seem to find any photos of what this may look like. Can someone describe how they may look or does anyone have photo examples?