One of my baby chicks has gotten clumped poop on its butt three times in 24 hours. I keep cleaning it with a warm, damp cloth and then it gets clumped up again. The last time a little butt fur came off. Otherwise the bird is very active and seems happy. It is hard to track this one particular bird but they all collectively are very interested in water and food. I started using a little grit in their food last night.