Sometimes life treats you unfairly but how you react is entirely up to you. And if you thought all the world has given you is pain and anguish, maybe, just maybe, these animals can give you another perspective to life. Because these animals, despite being born with unfair disadvantages, have chosen to live happily and make the most of every beautiful moment. From pooches born with short spines to those that are born with only two legs, and to critters that break and set new Guinness World Records, we present to you 20 animals that nature treated badly but they have fought all the odds to live a happy life.