Hey all. I am new to raising chicks, we just got our first flock today. They are so active and making lots of peeping noises, but we have one chick that looks to be a week or two older than the others. It looks like it is breathing heavier than the rest, or possibly panting...it keeps opening and closing it's mouth and shaking it's head. Is this something I should be concerned about? Did the store sell me a sick chick? Should I keep it away from the others? I really am not too sure what to do. Any advice would be very much appreciated!