Crocs take a bite out of claims of ancient stone-tool use
Scars left on bones could have come from hungry reptiles instead of Stone Age butchery, researchers say
![horse leg bone and croc tooth](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/11/110617_BB_croc-bite_main.jpg?fit=860%2C420&ssl=1)
BIG BITE Crocodiles in East Africa around 2.5 million years ago had teeth (one shown at right) capable of gouging chunks out of prey animals’ bones. A horse’s leg bone (left), also dating to 2.5 million years ago from East Africa, bears marks more like those of croc bites than butchery with stone tools, as previously suspected, a new study finds.
Y. Sahle et al/PNAS 2017