I've had a doo that went in the huff if you try to pair them with a certain colour Bob so am not buying the colour blind wan no chance mate Had a cock 3 or 4 yrs back paired to a dark hen and she went missing tae the hawk me thinks and the following year i tried to pair him to a blue hen (mind he was paired to the darky for 3 yrs) and he wouldnae look at the blue hen but i had another dark hen spare so through the 2 of them in a spare section and he went mental cooing awe oer the shop so maybe they dae see things mate :-/ :-/ ;) ;)