Probably need to wait until they are about 5 months old to make sure they are APA SOP. Your black one doesn't show much of a beard or muff so not looking like it will meet the SOP. Time will tell perhaps. Anyways, the roos should have pea combs showing 3 distinct vertical rows of peas and the...
Just wondering where you got these chicks from? If they are from a feed store/hatchery then they aren't Ameraucanas, they are Easter Eggers. Unfortunately hatcheries routinely sell their Easter Eggers as Ameraucanas or Araucanas.