We may or may not come across those mutations but determining the sex of them when they are immature would involve DNA testing. I'm not a genetics expert so possibly the lutino pearl gender may be sex linked but we surely couldn't visually sex the Whiteface. They both are not common mutations.
We got a hand fed cockatiel from them. They were very nice and seemed to take care of the birds very well
Bird jungle is the place. Give them a call
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