They just lay there like fat, lazy, stinky slobs
They're actually very well insulated as birds. I mean, look at the house they've been in... short of putting my wedding quilt over the front and a tarp over the sides when it gets below zero or we get a blizzard, they get nothing other than hay.
It will be nice to have a duck house that I don't have to drag a quilt on and off of. As soon as it gets above freezing, the stuff melts, soaks into the quilt, and then refreezes. Sometimes it's like trying to move a sheet of concrete.
It'll be nice to not have rats tunneling under it, too.
My biggest concerns are whether they will be able to get up the ramp, and whether or not we put enough air exchange holes in the side soffits.
I'm not concerned about them keeping it clean, because it just won't be clean.