hey guys I have 5 baby rouen 4 weeks old and only one is making quacking but she also peeps like the other 4, I have herd you can tell there sex by the color of there beak??? now she has a dark gray beak and there is one more like here that has a dark solid gray one.... the other 3 kinda have a dark beak with a lighter back end on it. but I have herd that the beak color doesnt matter???? I need to know if I have this messed up or if I am right on, let me know what everyone thinks hopefully I have more hens then 1 maybe 2 and they just are vocal yet.... any help is greatly appreciated!!! michael "the duckman"