The green ox and white horse are the mounts of the ancestors in the legend of the Qidan people. A man riding a white horse came from the south and a fairy riding a green cow from the north came down the river, which gave birth to the eight schools of Qidan. Northern nationalities generally believe that God rides a white horse and an ox crosses nine secluded places. Hu Richa, the great shaman of Genghis Khan, rode a white horse, and cows appeared many times in the secret history of Mongolia, such as conveying the Oracle that Temujin wanted to be the master of the world.