They're in the same brooder but I've added taller legs. It stands 18" now. With a little bedding the ducklings can look clear over the divider. The goslings are probably only a daybor two away from doing the same. My larger gosling like to pull at my ducklings feathers still. I've given it a few stern talking-to's but I still wouldn't trust them together alone unsupervised.
The bedding in the brooder gets an extra layer every day along with completely changing what's in the waterering area. Then every few days I'll change it all out, new plastic and all. The ducklings have been much more of mess with their water than the goslings. The 13 birds also seem to poop a lot more than the 2
We've been able to combat the smell so far but the ducklings are starting to run themselves out of water before I can get home to change it. I know I've said it before but they grow so fast!
They learned when I holler c'mere, it's time for peas. If you say it fast enough it starts to sound like quacks and they've taken to Pavlov's theory quickly