QuickCheck: Is it true that a bear in a China zoo is actually a man in a suit?

Recently, viral videos and photos of a Malayan sun bear at a zoo in China standing on its two hind legs and interacting with tourists by waving its paws created a stir on social media.

Many pointed out the pant-like folds in the bear’s rear and its human-like gestures, claiming that it's not a real bear but a human in a bear suit!