Footprints prove humans hunted giant sloths during the Ice Age
Once-hidden prints, visible only in certain conditions, detail a dramatic chase
![giant ground sloths, Megatherium](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/04/042518_dg_sloth-tracks_feat.jpg?fit=860%2C460&ssl=1)
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