Being new to the raisin' baby chicks thing I'm not sure if it's normal that at least one of my 12 2-week old chicks has taken to pooing mud that looks like melted chocolate. The only thing that has changed in the past 24 hrs. was a quick trip outside for 6 of them to peck in the grass and enjoy the beautiful afternoon which may have stressed a few of them out. Any suggestions or comments? Should I be worried?