Yeah, it wouldn't surprise me. I have a cockerel with saddles that definitely reminds me of hacklefowl right now running around. Thankfully he's the one the girls seem to likeVery possible that Phoenix were used by early breeders of hackle fowl to get longer feathers. Some breeders shared some of their breeding notes, but most kept them secret, so no real "recipe" exists for making them. Chance mutations caught be careful breeders probably had a lot to do with it also.