Tyrannosaurs may have hunted in packs like wolves, new research has found

Paleontologists say a mass grave in Utah shows the dinosaurs may not have always been solitary predators as previously thought

Tyrannosaur dinosaurs may not have been solitary predators as long envisioned but more like social carnivores such as wolves, new research announced on Monday has found.

Paleontologists developed the theory while studying a mass tyrannosaur death site found seven years ago in the Grand Staircase-Escalante National Monument in southern Utah, one of two monuments that the Biden administration is considering restoring to their full size after former president Donald Trump shrank them.