Baby tyrannosaurs were surprisingly small • Earth.com – Earth.com

While tyrannosaurs were some of the largest predators of all time, a new study from the University of Edinburgh reveals that their babies were surprisingly small. Scientists have discovered that baby tyrannosaurs were no bigger than a medium-sized dog when they took their first steps.
The study was focused on the fossils of tyrannosaur embryos. The remains are providing brand new insight into the early development of tyrannosaurs, which weighed as much as eight tons and grew up to 40 feet in length.
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