I need some help here, I have 6 total, all hatched on April 15th, do I have 2-3 roos, or do I just not know enough about chickens. I am new to this, but three have bigger redder combs, and wattles. Is the one on the left a roo? 2 hens? hen? 2 hens? a roo? a roo? a hen?