Chinese mythology merely fantastic types of the bestiary sort. Sometimes the dragon is considered part of this category, related to it, or the ruler of all the swimming and crawling folk. This may include the giant marine turtle or tortoise Ao, the Bashe snake reputed to swallow elephants, a nine-headed snake monster reminiscent of the hydra known as Xiangliu, and the White Serpent from the novel "Legend of the White Snake". Various birds are found in Chinese mythology, some of them obviously based on real birds, other ones obviously not, and some in-between. The Crane is an example of a real type
Fafnir while cooking the heart, gained knowledge of the speech of birds and learned of Regin's impending attack from the Oðinnic (of Odin) birds' discussion and killed Regin by cutting off his head with Gram. Sigurd then ate some of Fafnir's heart and kept the remainder, which would later be given to Gudrun after their marriage. Some versions are more specific about Fáfnir's treasure hoard, mentioning the swords Ridill and Hrotti, the helm of terror and a golden coat of chainmail. Fafnir appears – as "Fafner" – in Richard Wagner's epic opera cycle "Der Ring des Nibelungen" (1848–1874), although he began