How mammoths competed with other animals and lost
Human hunters helped wipe out mammoths, mastodons and gomphotheres
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.