When Grizzler the Border Collie was outfitted with a special camera that snapped a photo every time his heart rate increased, his top subjects were, well, not that surprising: cats, birds, other dogs, and food, as well as random spots that were no doubt emitting some mighty exciting smells. UPDATED:
Thanks to the commentors below who point to this evidence that perhaps the dog had some human help...tsk.
Still, the technology used to turn a dog into a photographer is rather clever, and Grizzler is a bit of a heartbreaker. Check out this promo video to see the canine shutterbug in action.
[Via Tastefully Offensive]