Feces, vomit and fossilized food from inside stomachs have provided new clues into how dinosaurs rose to dominate Earth, a new study revealed on Wednesday.

The way the dinosaurs relinquished their long dominance is well known. An asteroid struck Earth 66 million years ago, triggering a horrific mass extinction. But the way the dinosaurs - modest creatures initially - came to supremacy is less well understood.

A study recently published in the journal Nature sheds new light on how dinosaurs rose to dominance during the Triassic Period, around 200 million years ago. The research team, led by Dr. Martin Qvarnström,