Pleistocene rewilding The mountain tapir is the only extant non-tropical species of tapir. Predators of mountain tapirs include cougars, bears, and, less commonly, jaguars. Good introduction areas might include forested ecosystems of the west and east coasts, and the more scrub-like or wetland ecosystem of the south. During the Pleistocene, large populations of Proboscideans lived in North America, such as the Columbian mammoth and the American mastodon. The mastodons all became extinct at the end of the Pleistocene era, as did the mammoths of North America. However, an extant relative of the mammoth is the Asian elephant. It now resides only in
Mastodon Township, Michigan females. The per capita income for the township was $16,823. About 6.3% of families and 13.2% of the population were below the poverty line, including 22.5% of those under age 18 and 6.3% of those age 65 or over. Mastodon Township, Michigan Mastodon Township is a civil township of Iron County in the U.S. state of Michigan. As of the 2000 census, the township population was 668. Mastodon was so named from the fact mastodon bones were discovered when sinking a mine shaft. Mastodon may have also been named for the size of the large, iron ore body which was