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Tyrannosaurus rex population density was around one individual per 40 square miles

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the staff of the Ridgewood blog

Ridgewood NJ, a new study estimated that a staggering 2.5 billion Tyrannosaurus rex lived and died in the roughly 2.4 million years that the species roamed the planet. The species had a population density of around one individual per 40 square miles. Around 20,000 individuals were alive at any given time. The scientists note that the precision of the analysis was low due to uncertainty about the accuracy of the relationship between the animal’s body mass and population density.

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