Chinese deny sun bears humans in costume

[nzoomed]

it was the straight legs and all the wrinkled skin on the back that made me think it could be a costume, but as soon as it dropped to all fours and walked off it went back to being very much a real bear for me, i don't think a human in a suit can do the back leg movements that naturally

I was wondering the same when I saw the video, although the mouth looked a bit unnatural, almost as if the mouth wasn't moving.
It probably is real,  but did look like a human standing up inside a baggy costume.