really like the yellow face sky blue or as some call them turquoise...and these are older birds and no telling how old where they have lost stripes....i sense where you are not familar with breeding issues ..sadly some breeding and egg laying problems down the road and you should still have TWO separate cages to help to prevent some of those issues should a pair go to nest and a female begins to lay eggs...if not separated all sorts of not so nice things can happen.
so best to now get a large enough separate cage to put two of them in...and man i got to tell you id would keep the males separate from the females...but thats me as i really would not like to see you in here in a bit saying HELP...lol
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CAPPY