The gods needed animals to travel around the world and the animals needed the gods to learn how not to be hungry. This was an amazing idea, thanks to goddess Saraswati. This is how vahana came into being.
Devdutt Pattanaik writes and lectures on the relevance of mythology in modern times. He has written over 500 articles in newspapers, and thirty books, which include Jaya: An Illustrated Retelling of the Mahabharata, Sita: An Illustrated Retelling of the Ramayana, 7 Secrets of Hindu Calendar Art, 7 Secrets of Shiva, 7 Secrets of Vishnu, 7 Secrets of the Goddess, The Book of Ram, 99 Thoughts on Ganesha, Shikhandi and Other Tales They Don’t Tell You and Myth=Mithya: Decoding Hindu Mythology. He lives in Mumbai. For more information on Devdutt and his books, visit devdutt.com