Deer, zebras, elephants, kangaroos and parrots. According to the fairy tale The Metamorphosis of Piglets, Piglets want to turn themselves into winged animals such as deer, zebra, elephant, kangaroo and parrot. A cute little pig always feels unhappy and always envies other animals. So the little pig tried to turn himself into a deer, a zebra, an elephant, a kangaroo and a parrot. After being laughed at by others and his own failure, he finally realized that being himself is the happiest.