Angels, Putti, Dragons and Fairies: A Biological Dissection - Audio

Representational art - painting, cartoon film, etc makes myths appear real; with mythological creatures and objects often placed within familiar and naturalistic scenes. One of the myths is that of flying beings. Angels, putti, fairies and dragons are all shown as having wings and an otherwise naturalistic form that we recognise readily. Yet, are they able to fly? If not, why do we wish to suggest they have the same powers of flight as real flying animals?