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Digital Imaging Uncovers New Mixed-Species Dinosaur Herd Tracks

Researchers are using digital search imaging to uncover new tracksites that reveal mixed-species dinosaur herds

A herd of ceratopsians (Styracosaurus albertensis) accompanied by an ankylosaur (Euplocephalus tutus) walk through an old river channel under the watchful eyes of two tyrannosaurs (Gorgosaurus libratus).

Overview

  • New digital search-image tools have led researchers to identify several more sites in Dinosaur Provincial Park with overlapping tracks of at least two herbivorous dinosaur species.
  • The original PLOS One study described 13 ceratopsian prints and a probable ankylosaurid footprint uncovered during a July 2024 field course at the UNESCO World Heritage site.
  • Two perpendicular tyrannosaur tracks found near the herd prints suggest possible stalking behavior but do not confirm an encounter between predators and prey.
  • Paleontologists remain divided over certain track attributions, with some arguing that the suspected ankylosaur prints better match poorly preserved hadrosaur impressions.
  • Researchers theorize that mixed-species herding may have functioned as a collective defense strategy similar to modern African wildebeest and zebra migrations.