I've got a couple hens I got about a month ago, and they're almost 4 months old, but no sign of combs. However, Bianca, the big dumpy Cornish X, who is three weeks younger, has been getting a magnificent comb and wattles. So what about these little gals, who barely have a ridge on the top of their heads, and are distinctly wattle-less? I know there are different kinds of combs, but do they come in at different rates/ages, depending on the type of chicken? Are these gals ever going to develop even a neat little pea comb? Is there an age a hen should develop a comb by?