Let's go to the Thought Bubble. First of all, these animals, especially pigs, completely remade the food supply. Pigs breed really quickly, they eat anything, and they turn into bacon, which made them heroes to the New World, just as today they are heroes to the internet. Here's how quickly pigs breed. When Hernando de Soto arrived in Florida in 1539, he brought 13 pigs. By the time of his death, there were 700. That was three years later.