Ducklings are 2 1/2 and 3 1/2 weeks old. Not all survived the first day they arrived, and one was looking not so good, so the farm graciously sent me four additional duckings the following week as replacements. The duckling on the fence survived and is doing well, so I now have 11 ducklings on the homestead. They are past their cute little duckling phase, and wow, had no idea how messy they could be. If you’re considering ducks, be prepared for a lot of maintenance early on. The first couple weeks they were fine in the duckling pens I set up indoors in the garage. I used masonry mixing