Science
How many Tyrannosaurus rex walked the Earth? – The Conversation US
Using the incredible wealth of fossil data and a modern ecological theory, researchers estimated population density for the extinct apex predator.
The Research Brief is a short take about interesting academic work.
The big idea
During 2.4 million years of existence on Earth, a total of 2.5 billion Tyrannosaurus rex ever lived, and 20,000 individual animals would have been alive at any moment, according to a new calculation method we described in a paper published on April 15, 2021 in the journal Science.
To estimate population, our team of paleontologists and scientists had to combine the extraordinarily comprehensive existing research on…
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