An African reed frog weighs two grams and is 15-30 millimetres tall. This makes it lighter than a 1 cent piece and not much taller than a 2 euro coin. It is a passionate singer with extraordinary talent. It is able to create sounds similar to that of a xylophone. But that is not its most exciting feature. It can simply grow back lost body parts again and transform from a male to a female (or vice versa) as and when needed.