Originally Posted by turtlebird2
Any idea on what breed of chicken does this?
I'm no expert, but although some breeds are supposed to carry their tails lower because that's what was preferred for the breed that is probably not the case. Some chickens just carry their tail too low. I know with my barnevelder she carried her tail super low (like most young chicks), but eventually grew out of it and now has a marvelous high angled tail, so just be patient.
Your chicks are going through a very awkward phase, but should look gorgeous at maturity, good luck!