Paleontologists don't know what baby tyrannosaurs were like. Few clues about the behavior of these foot-high carnivores can be found in the Hatchling Fossils. There is evidence that baby tyrannosaurs traveled in pairs.
The trackways were discovered during a riverbank survey. Donald Henderson and his colleagues describe the site in the Canadian Journal of Earth Sciences as being rife with tracks made by many dinosaur species. There are seven dinosaur trackways that are suggestive of people moving in pairs. The small tracks, as well as the pace lengths, are a good match for hatchling tyrannosaurs.
Most of the existing knowledge about tyrannosaur behavior comes from fossils. Trackways found in British Columbia show that tyrannosaurs fought by biting each other on the face. Lisa Buckley was not involved in the new study. The tracks suggest that hatchlings formed groups like some herbivorous dinosaurs after leaving the nest.
Buckley thinks it is possible that the tracks came from a different type of dinosaur. Evidence of group behavior can be seen in the footprints in the paper.
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