Okay, I think my head just exploded. Ow. RocketDad wins.
So what you are saying is that I should take out a milk jug or sealed bucket filled with almost boiling water and that will keep the little buggers warm longer than a heated stone or a hand warmer thingie. Yes?
I am really nervous about moving this lot outside. I have never had babies this late in the season and I'm terribly fond of them. I have nightmares of moving them out and finding little dead babies the next day. It is staying around 64-67 degrees in the house. Outside temps are anywhere from high 40s to low 30s right now. And it's wet. I can keep them in for another week or so until the last are completely feathered out, but they are quickly outgrowing the brooder.
Do we think the hot milk jug would work all night in an enclosed wooden brooder?