And as they expanded down the great spine of the Andes, the Inca bred huge numbers of llamas as army pack animals. Not surprisingly, the Inca also made models of this hardy creature that was so ...

Their only domesticated animals were llamas, alpacas and guinea pigs. I will compare the Incas to the Romans. I can say that the Incas were the South American Romans. The word Inca means two things.