Can You Make Sense of This Picture?

Despite first impressions, this is not a picture of a horribly deformed animal. Nor is it an abstract sculpture. Gatamanca posted this picture at reddit and scared a few people. Can you figure out what is? Here's a hint: tilt your head to the left. If you still can't see it, here's a copy of the picture with an outline to help you out. It's amazing how looking at something from a new angle can change your point of view.