Dinosaur footprints show they walked in herds
Fossilized dinosaur footprints reveal ancient herds traversing floodplains, offering compelling evidence that many dinosaurs were social animals, much like modern-day mammals.
Fossilized footprints, called trackways, reveal that many dinosaurs were social creatures, often traveling in herds across ancient floodplains during the Mesozoic Era. These preserved impressions capture multiple animals moving together, much like modern elephants. For instance, 190-million-year-old tracks in the southwestern United States show small theropods following each other in lines.
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