Human biology is amazing, but it has its limits. While we need technologies to change things like the color of our eyes, or to get a brand new set of teeth, some animals have the natural ability to do these things themselves. Such show-offs.

Get a new true crime story in your inbox every day

It's true crime week in One Cracked Fact! Subscribe to get true crime sent to your inbox every day this week. Plus, one One Cracked Fact subscriber will be randomly chosen to win a collection of five true crime books. Sign up now!

Forgot Password?