Ever wonder who is stealing the cheese out of the fridge? These Wildlife Motion Detection Cameras from National Geographic might solve that problem right quick. Triggered by heat and movement, both the 35-mm and digital models of these simplified all-weather cameras take multiple images to capture backyard wildlife. Equipped with a wide-angle lens with 60-degree field of view and two test modes, these cameras will run for 21 days of 24-hour operation before needing fresh batteries. NG makes both a digital (left) and 35mm (right) version for all your cheese-nabber needs. And they are incredibly affordable at $60-$70 each.