The population of the Tyrannosaurus rex may have reached 2.5 billion, say dinosaur boffins

I have always wanted to know
About how T Rex lived long ago
Did they feel much frustration
In a vast population
Of two point four billion or so?

John Moynes

Pic: Wikipedia

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2 thoughts on “A Limerick A Day

  1. Cian

    2.4bn over 127,000 generations = 18,900 per generation; max of 3 generations alive simultaneously (babies/parents/grandparents) gives a total population (at any one time) of only 57,000.

    There was an estimated population of 100,000+ lions in Africa in the early 1900s;


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