User blog comment:Mckrongs/July 14 2010 - New Famitsu MHP3 Scans!/@comment-1653433-20100725085103

Looking at the trailer again (damn, just can't get enough of it), I am pretty confident that Jinouga is a pseudowyvern, judging from the way he roars which is more or less the same animation as Tigrex (planting both forefeet in the ground, rearing up and roaring skywards).