What a question! I've never had to consider that, since... well, we couldn't evolve twice if we tried. I suppose that would mean that who you are would change completely unless you evolved during the same season both times!

[He lowered his head to nibble up some more lunch, but then Bulba spoke up again, and Kieran immediately looked up. A child of the forest who wasn't raised in the forest? Bulba might as well have announced he simply blinked into existence in the center of a black hole.]

That's the saddest thing I've ever heard! How have you managed to survive this long without knowing the forest?