User blog comment:Kogath/Monster Hunter: World Discussion/@comment-6050823-20171101184723/@comment-5158920-20171101192850

@Drake 512 It isn't a fan made term. Kulu-Ya-Ku is basically a Oviraptor. That's what it's meant to be and as a raptor it's a avian dinosaur which is why it's a Bird Wyvern.