Footprints suggest tyrannosaurs were gregarious
Ottawa (AFP) July 24, 2014 - Scientists in western Canada have discovered the fossilized footprints of three tyrannosaurs that suggest these fearsome predators may have hunted in packs. The sets of tyrannosaur footprints are the first ever to be found in proximity to one another and are the only clear evidence so far that these dinosaurs may have been social rather solitary animals. "The evidence is as strong as you ... more
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