Thanks for the pictures! Mine have larger combs than yours did.
Here is the one with the smallest comb, they are about four weeks old now.
One of them has a comb so big that the top of it flops to the side! It looks so silly.
How accurate is using the dark coloring on a Welsummer chick's head to tell male from female? I read this http://rudugastsideal.com/fowl/livestock_chickens.htm and at the bottom it gives an example of male and female based on the definition of the dark area on top the head. Here are my chicks...