Ducks don't like changes, but they will get over it. Today I've build a wind break tunnel in the duck house. So far it was only the dog door without flap, but we are getting closer to winter and I want a wind break, so it stays warm inside of the duck house. It is basically a box inside of the duck house and it has a small opening to the side. They have to walk in and take a sharp right turn to get into the rest of the duck house. You should have seen the commotion about it. They were not happy, but eventually made it in. This is what they will have for the next 2 weeks and then I build another one for outside so they have to take another turn to get in. This is the best think I can do as a wind break, plus the outer one will also reflect the snow.