You know a confining coop for geese really isn't going to work well because geese are roamers, much more than ducks or chickens.I agree the fox will be back. They have a secure night time house. But now we are going to build a secure run for them. The advice I was given was they were too alert and too big for a fox during the day. Clearly not the case. So we are working on plans for a run and tractor.
I'm thinking an electric fence system would work better for geese, because by very nature they need more room and big swaths of grass.
I hope this helps some.