User blog comment:Kogath/Monster Hunter: World Discussion/@comment-6050823-20170922122302/@comment-31029678-20170922130630

That was unexpected.... nice.

@Drake 512

Maybe they count that kind of fur as a mammalian trait... or they changed the definition of Fanged Wyvern.

@Chaoarren

Actually there was a new Fanged Wyvern in Stories.