Pullets?

[joduh]

Barnyard mix by an Americauna roo. Not too sure about the sex of the middle one...

 

[Lady of McCamley]

Assuming siblings, and the same age, about 12 to 15 weeks?
Comb is the best indicator, which in this set would indicate male in the middle bird.
If that is a pea comb, those don't develop as quickly as single combs.

LofMc

 

[joduh]

Ah Yes, age is 10 weeks. Hens have some pea comb breeds and some with regular combs like barred rocks, marans, leghorn, etc.

 

[joduh]

A couple more of the middle chick:

 

[Lady of McCamley]

In mixed breeds, watch the comb and wattle development.
Red earlier than point of lay indicates male.
Mixed won't follow neat and tidy breed development for obvious reasons.
But, I like my backyard mixes. Hardy. Good layers. Good foragers.
Some leave you guessing until egg or crow.

Lofmc

 

[joduh]

The brown spots are mud.

 

[Lady of McCamley]

That's a lot of pinky rose blush in that there comb....I'm thinking male.

But don't eat him yet! I've had backyard mixes mature early and gave away a hen! She, being broody hatched in early spring, laid by 14 weeks (no kidding).

Turned out to be a good layer too. :/

 

[RoostersAreAwesome]

All of them look like pullets to me.

 

[Crazy for Chickens!]

I'm thinking pullets for the time being, but watch that middle one. If it starts developing pointy saddle feathers, it's a boy.