Footprints prove humans hunted giant sloths during the Ice Age
Once-hidden prints, visible only in certain conditions, detail a dramatic chase
PREDATOR OR PREY? Giant ground sloths like Megatherium, illustrated here, were elephant-sized herbivores that, with sharp claws and thick muscle, would have been difficult for prehistoric humans to hunt — though that doesn’t appear to have been a deterrent.
Jaime Chirinos/Science Source