A grizzly bear chewing on GoPro camera left by biologist Brad Josephs at Katmai National Park, Alaska, is a great demonstration of what a bear eating your face might look like.
A Galapagos giant tortoise notices the camera and comes in closer to inspect it. Close enough to stare deep into your soul and freak you out.
This one is up close and LOUD. Very very loud. You have been warned.