That doesn't work! Read this! https://blog.mypetchicken.com/2014/09/30/chick-wing-feather-sexing/
:/ Why don't they have nice convenient graphics explaining why it won't work?
Chick 2 is a cockerel based on the color. The chick with a beard and single comb is a d’Anvers. They occasionally get single combs. The last one is a d’Anvers pullet and I don’t know what the buff next to her is.
The chicks are way too young to determine gender. Looks like you identified all the breeds correctly except the d’Anvers. I’m afraid I don’t know what that is (blue laced red Wyandotte?) Blue quails are bearded, mostly grey, with yellow around the face like this