A new lineage of mammoth has been discovered in… Mexico? While we usually think of these shaggy Ice Age giants roaming icy landscapes and temperate plains, the find shows that North American mammoths were more genetically diverse – and more widespread – than previously appreciated. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

In late 2019, construction workers unearthed several large, prehistoric bones during the construction of the new airport at the old Santa Lucía Air Force Base north of Mexico City. After years of digging, archaeologists had excavated a trove of at least 200 Columbian mammoths ( Mammuthus columbi ) as well as dozens of other ancient mammals.

Columbian mammoths have been found in some coastal regions of Cen

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