Talk:Blue Fairy/@comment-24713725-20180712193028/@comment-4975807-20180712194000

I think it means in terms of physiology because in Storybrooke, she is human. She can still use her wand in human form, but she cannot fly in human form and needs to shrink down to size and unfurl her wings for that to work. Like when she shrunk herself and flew away with baby Gideon.