How mammoths competed with other animals and lost

Human hunters helped wipe out mammoths, mastodons and gomphotheres

mammoth, mastodon, and gomphothere

MAMMOTH WORLD  A Columbian mammoth (Mammuthus columbi), an American mastodon (Mammut americanum) and a gomphothere (Cuvieronius) were among the prehistoric elephant relatives that roamed North America and Eurasia until the end of the last ice age.

Sergio De La Rosa

The Gray Fossil Site, a sinkhole in northeastern Tennessee, is full of prehistoric treasures.