What type of birds are rakan and xayah

I don't know if most of you already know but and are birds but I've seen many discussions and I think I finally have an answer. They're Jian birds. These birds have one wing each and they can fly only with each others help. As we see in Xayah animation she tries to fly but is unsuccessful but when rakan and xayah both recall they fly away so my theory is that they are Jian birds. [vlad-salute]