Hey there- I just moved my 4 week old 8 chicks from the brooder to a 4 ft by 4ft enclosure in the garage. They now have natural daylight and the heat lamp. I've got 2 austrolorp, 2 barred rocks, 2 RI reds and 2 buff orpingtons. The darker chicks are picking on the 2 orps. Tail feathers are picked and tails are starting to bleed. I took care of their wounds and have them separated. They all have more room, but I'm sure it will take a little getting used to the day/light cycle and new space. Is the new stress causing this behavior? Is it the different breeds? Should I be looking into additional protein? they are on starter crumble... Dry cat food? Any suggestions? Thanks!