You see numerous TV ads about conservation and endangered species. In terms of government, there hasn't been much progress since the Rio summit in the early 1990s. Satellite photos show rain forest devastation has occurred at the same rate. There's still a long way to go. As Karen knows, nobody really knows what the origin of the salinas are.
Some people think it is a mixture of the geological features in the area.
But in general, most animals are afraid of humans and run away. Peccaries and pigs diverged from a common ancester about 110 million years ago. They belong to separate familes. Peccaries are from North and South America. Pigs are from the more old world area.