In ancient Chinese tales, Nuwa created the human, her husband is Fuxi. They had half-human above and half-snake beneath characters, the tales about them are the reflection of the primitive nature worship of people in the Yellow River Basin.

There are more or less reflections of nature worship among all kinds of vary ancient tales.In ancient Greece, The most nature god is Pan——the Faun. Whether in his image or in his behavior, there was obvious animal features, he had goat horns, goat legs and hooves，he is full of aggressiveness and animal desires like an animal in heat.

When human beings are in a disadvantaged position in nature, it is conceivable that they will express their sincere admiration and worship for the exuberant natural vitality, especially be curious about the reproductive power of animals (such as snakes, goats, toads, etc.), and hope that humans can also be like animals lots of births, covering the ground, so most of the ancient gods have certain characteristics of animals. It is also a symbol and reflection of the powers of nature.