User blog comment:Kogath/Monster Hunter XX Discussion/@comment-26995086-20170405121639/@comment-5020152-20170406134533

Bulldrome still digs in Generations, but I've only seen it once. And the "alternative mounting animation" on Kecha can be triggered if you jump-attack him while he's poking his head and torso out of the vines in Ancestral Steppe or Primal Forest (I think). Not that rare, just tricky to do.