Paleontologists can use trackways and footprints to learn about their movement and preserved gut contents called cololites to put together what their diets may have looked like. These are gut contents that have yet to become poop–or coprolites. Excavating the gut contents in the field. “The primary limitation of this study is that the sauropod gut contents we describe constitute a single data point,” Poropat explained. Despite the limitations, it offers an exciting look inside the stomachs of some of the largest creatures to ever live.