Mastodons headed north to beat the heat 800,000 years ago
Mastodons travelled northwards across large distances in North America due to climate change around 800,000 years ago, a new study suggests. Relatives of modern elephants, mastodons roamed from present-day Alaska east to Nova Scotia and south to central Mexico. During the more temperate periods, mastodons headed north to feed on vegetation that had flourished after a … Read more