Are there any identifying features of sex in mixed chicks where the roo is a barred rock? Hens are RIR, Araucana, BR, black sex link and red sex link. So far the two that hatched look the same except for their beak colors and little combs. One had an Araucana mom (barely any little comb) and not sure about the other (definite comb). Otherwise their colors are the same (black with white bellies and a little white spot on the head). I think there's a way to identify the BR/BR chicks but I can't remember what I read.