“Bones tell us an enormous amount about these animals, but footprints capture a moment of behavior.”
Archaeologists in North Dakota have unearthed the first set of footprints of a running T-Rex after a schoolteacher led them to the incredibly rare find.
The four giant three-toed footprints of a mas… [+1603 chars]
The four giant three-toed footprints of a mas… [+1603 chars]