Footprints prove humans hunted giant sloths during the Ice Age


With their lethal claws and muscle, the herbivores would have been formidable prey, says David Bustos, a biologist with the National Park Service at White Sands National Monument in New Mexico.In April 2017, researchers stumbled across more than 100 tracks in White Sands. “Reynolds, Bustos and their coworkers reconstructed the chase: Humans stalked a sloth, or numerous sloths, which the hunters surrounded in the open. At seven locations, a sloth raised up on its hind legs– towering over the people– to fend off an attack.

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