Ok my ducks are babies so I know its going to be a bit but generally what age so I have a target date. They are stinking me out of house and home right now. I forgot how smelly they were. We are cleaning their boxes twice a day and they play in the bathtub once a day just to keep the smell down. eeek. 2 ducks are about 2 weeks old now. The others ones are probably about 4 to 5 weeks old. wow they are smelly