You've seen the pictures and videos of Bigfoot, and we admit sometimes they are pretty blurry -- or what Bigfoot enthusiasts call "blogsquatch" images. Have ever heard a Bigfoot? Now that is a sound that will make the hair on your neck stand on end. Over the years, several Bigfoot researchers have recorded audio of Bigfoots howling in the night. Here's a compilation video from our www.facebook.com/findbigfoot.