Respuesta :
It is said that the Aztecs chose the site of their capital, Tenochtitlan, because of the presence of a bird perched on a cactus and eating a snake!!! (hope this helps)
According to a legend of a profecy, Aztecs were told to build their capital where they saw an eagle sitting on a cactus eating a snake. The city they chose to become their capital is Tenochtitlan. Nowadays that city which was buit on an island in what was then Lake Texoco, is the center of Mexico City.
Tenochtitlan was the capital of the Aztec Empire in the 15th century until it was captured by the Spanish in 1521