User blog comment:Arbington/New ME4 Teaser Pics, Possible Upcoming Reveal/@comment-1679409-20131109002919/@comment-1679409-20131109024817

The arms look entirely too long to be human. It also seems to have somewhat of an hour-glass type figure. Finally, it looks like there's a leg spur on the right leg. Those three things all comport with the concept art image of the turians seen in that video.