First-ever adult T. rex trackway found in North Dakota
Summary
Scientists found the first set of connected footprints made by an adult Tyrannosaurus rex in southwestern North Dakota. The trackway has four large footprints showing how the dinosaur walked about 66.5 million years ago.Key Facts
- The trackway includes four three-toed footprints, each about 3 feet long.
- The footprints were found near the Montana border on U.S. Forest Service land.
- This is the first known trackway made by a full-grown T. rex; before, only two single adult footprints were known.
- The dinosaur was walking at a speed estimated between 3.5 and 4.5 miles per hour.
- The tracks date back to the very end of the Cretaceous period, shortly before the asteroid that caused dinosaur extinction.
- A high school teacher discovered the footprints while volunteering on a dinosaur dig.
- Researchers scanned the footprints in 3D and planned to airlift three prints to a museum for study.
- The area has also produced many T. rex bones, including a juvenile specimen found nearby.
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