Walruses are incredible animals. Their skin is so thick, polar bears struggle to draw blood. Their suction ability is so powerful, they can strip paint off walls. Join us for an episode on the walrus, and get the answers to the following questions: What does "I am the Walrus" mean? Why do walruses have mustaches? What's with the teeth? Come learn all about the largest penis bone of all time, on this episode of Species.