The things that make me different are the things that make me.
— Winnie the Pooh / A.A. Milne
P.S. The good folks on MAINE Birds have suggested this bird has leucism. Similar to albinism, the condition involves a problem with pigmentation, basically. See here for a much more scientific explanation: https://www.bto.org/volunteer-surveys/gbw/gardens-wildlife/garden-birds/behaviour/plumage/leucism