Columbian Mammoth (Eofauna)5 (8)
About 1.5 million years ago, a population of steppe mammoths (Mammuthus trogontherii) entered North America from Siberia via the Bering Strait. As they migrated south into the warmer regions of the United States and Mexico, they soon gave rise to a new mammoth species, M. columbi, better known as the Columbian mammoth. It was the largest land mammal known to...