Fossil droppings of the Smok wawelski seem to contain chewed-up bone fragments, researchers have found. The Smok wawelski is in the archosaur family, who are represented today by crocodiles.

Smok wawelski, a T. rex-like apex predator that roamed what is now Europe about 210 million years ago, used to chew up its prey, bones and all. Scientists know this because they looked inside its ...