With over 22 million pets between them, Britain is undoubtedly a nation of animal lovers. And for many, it seems the smaller the pet the better. As Super Tiny Animals returns for a second series, the cute factor is off the scale and seeing is believing. You'll meet Beyonce, the rescue puppy that became a global phenomenon; miniature horse Princess Confetti, who acts as a guide for her blind owner and - at the other end of the scale - Darius, thought to be the largest rabbit in the world.