Ok so the babies are all 4 weeks old and have been living in the family room in a cage for 2 weeks now, and everything is going good the kittens climb in and out of the cage just fine. however yesterday and today savannah has tried to move the kittens, we dont know why nothing has changed, and she isnt carrying them nicely she hurts them. any ideas to stop her and info as to why she is now moving them