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Smithsonian Magazine on MSN38m
Giant Sloths the Size of Elephants Once Walked Along the Ground. Here’s How the Massive Animals Evolved and DeclinedResearchers analyzed fossils and DNA to get a big-picture view of sloth evolution and determine what drove their immense size ...
A prehistoric discovery near Hays is shedding some new light on a giant ground sloth species that lived more than 10,000 years ago.
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