are they too fat to fly? most domestic geese i've heard of are, but that doesn't mean these couldn't fly i guess. did the guy you got them from say they flew over the fence?
all i would say is, and they don't sound like they may even do this, they sound super calm, but if they are aggressive to...
wow. who was going to force the geese to live without water?
"Could they share the ducks' kiddy pool, or should I give them their own?"
maybe that part was overlooked.
i too think they're good for giving calls of warning. they will dominate the chickens and eat first so i just have food in a couple areas. i like having geese.