yep, I agree, all depends on size and lines, they can go from junk birds that are just slightly longer than average cocks. To 2-3 foot on decent birds to 4-6 on great ones. Then the large fowl can be a bit longer.
I keep all mine pretty much in breeding pens , so they get stepped on a lot and broken, even at that I have some bantams at 4 foot which is super good for a bantam and even better for a bird on the ground with hens.
Some of the super non molting large fowl lines can get 6-8 foot if well kept... Think Davids good boy is over 10 now...but bare in mind he's 60 +% onagadori too, he'd be an exception to the rule.
over all 2-4 foot converts with saddles 1/4- 1/3 that lenght are really good birds.
I'll see if I have any pics of the silver creles. If not I'll take some. I got the male from Toni... he's just a single copy bar right now, so his barring isnt super clear and has a few black feathers in the tail still. But that should all go away on this years chicks now