The world's largest rodent was once bigger than a grizzly bear.
Hello, nightmares. Luckily, the enormous capybara skeleton discovered in Uruguay died between 2 and 4 million years ago. Still, even modern capybaras freak us out.
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.