I just got some netherland dwarfs rabbits. I had them for about a week now. Today i notice that there eyes are wet around them. They are cleaning them. I havent notice anything else so far.. It looks like they are coming down with a cold. Is this possible. I had the door open in the rabbit barn so they can have some fresh air. But it was windy one day. I am getting a little worry ...Is there something i should do.? Or shouldnt do.