It seems some species of megafauna may have existed for much longer than previously assumed. For a long time, the overall ...

Fossilized teeth from two ancient megafauna suggest they roamed Brazil 3,500 years ago. The find “opens the door to rewrite South American history.” ...

A second body size diminution in taxa occurred in the Holocene between 9,000 and 7,500 ... with changing temperatures impacting thermoregulation for animals to maintain appropriate core internal ...