User blog comment:Lord Loss/Monster Hunter Theory... Blog/@comment-4212769-20120310082944/@comment-1011548-20120310093426

Definitely sounds plausible. The only problems are that I'm not sure how it would produce the gas, or if there is enough room in its body for enough airsacs to lift it off the ground. It's still got to leave room for a skeleton (unlike Yama) and organs.