I ordered 6 Barred Rock chicks from MM. They are all 14 weeks old and 5 of the 6 are very large. The 6th bird is at least half the size of the rest. At least half the size ! She is healthy, very active and eats great, has nice clean feathers and bright cheery eyes so I don't suspect a health issue. Is it possible that MM accidentally mixed in a bantam? or is it normal to have a "runt" amongst chickens ? Just wondering .