Thanks for the responses.
They were this morning like they were yesterday morning. We're thinking she's feeding them in the morning, perhaps not particularly long before we do the morning check.
Not sure if she's feeding once or twice a day (I know does do either once or twice). They're nice...
First a bit of background...
Over the summer, my mom got three lionhead 'doe' weanlings. About a month later she got a mini lop doe weanling. All was well until about two weeks ago today when there was a nest in the pen in the bunny room, with three kits appearing in it within an hour or so...