Ok, so this afternoon I got up to check on my kids and they were doing well. I refilled their waterer and feeder and laid back down....So about an hour later I decided that sleeping was out of the question, and got up again and checked on my kids....I noticed they ALL had a lump on the sides of their necks. Either this is totally normal, or they all have developed some disease within an hour!!! Please help!!! Am I overparanoid, or do I need to be VERY CONCERNED????????