We do know that cavemen had access to an abundance of lizards, amphibians, and rodents. And that they ate a whole lot of them. To truly follow a “paleo” diet, you need to include lizards, frogs, bugs, turtles, mice and squirrels in your menu planning. Also, ancient people weren’t about to let any part of a hunted animal go to waste. So stock up on organ meats, as well.