All living things would do pretty much anything to survive and to insure the survival of their offspring. Some animals go above and beyond the call of duty to ward off potential threats and go through some pretty rigorous and bizarre transformations to protect themselves and their families.

Take, for example, the “horror frog” (also known as the “hairy frog). To defend themselves, these amphibians intentionally break their own bones to turn out an impressive set of claws, just like the X-Men's Wolverine! (For more on the horror frog, check out the Oddee list: “10 Incredible Tales of Cracks”).

Check out these 10 unique ways animals (and humans) defend themselves: