tech
Fossil footprints found in Bolivia reveal dinosaurs' awkward attempts to swim
Updated on: December 9, 2025 / 7:31 AM EST / CBS/AP
TL;DR
- Paleontologists discovered 16,600 theropod dinosaur footprints in Toro Toro, Bolivia, a world record.
- The site also includes 1,378 swim traces, with the longest trackway measuring over 130 meters.
- The abundance and preservation of footprints offer insights into dinosaur behavior and the end of the Cretaceous period.
- Human activities and natural causes may explain the lack of dinosaur bones and eggs at the site.
- Footprint sizes suggest herds of varying theropod sizes, from large creatures to chicken-sized ones.
- Researchers continue to explore the site, expecting more discoveries.
- Recent dinosaur footprint discoveries have also been made in England and across continents.