Reading your post made my day. It made me think back to my first duckling, one that my grandfather brought home for an Easter present when I was ten. I had no idea how to take care of a duck, and neither did he. He made the duckling a pen, put a water dish in it and some duckling feed, and that...
Great idea! I didn't think of that one. We do that as well.
kstavert, you really should give this one a try. See if you can find a good sized rock and flip it over. Chances are there will be worms and bugs underneath. Once they see that, especially the worms, I have to think nature will take...
I think you might have a couple of things going on here. If they've been penned since hatching until now, they might just think the pen is where they're supposed to be, especially the older ones. I think your main problem is that you're feeding them both too much and too often. If you give them...