I have been so nervous about my girls the last two nights. We're in IN and it was 40 below last night with the wind chill. I even put in two new bags of litter to their house (where they go to escape the cold) and they wouldn't go near it. So anyway, I waited and waited this morning until sunup and sure enough, they were fine. This is one amazing bunch of hens.....I never lost a single one and they are awesome layers. Some of them are ameracaunas and some are easter eggers (all the same age). Anyone have a particular breed that you've had extra good luck with?