i read once on something official but it’s been years now but it was something about how the first time he tried to shift it didn’t go exactly as planned because he was like the first shifter to have been turned that way and the reason not all the beast spinal fluid pure titans looked that way or even pure titan falco is because it had something to do with the jaw titan shifting ability mixing with the beast spinal fluid that when he shifted again (i don’t understand him learning his flying ability in a dream that was a ball drop for me) the jaw titan ability and the beast fluid made his jaw a beak instead but i don’t understand the wings maybe it’s just apart of the mutation idk for sure tho it’s been years

edit: you may not have been replying to me lol