Tyrannosaurs may have nibbled each other when mating
That is the message of bite marks on their jaws
HOW DO PORCUPINES mate? Very carefully! An old joke, but one that applies even more forcefully to creatures with big, sharp teeth than it does to those with big, sharp spines. And few creatures have had teeth bigger and sharper than those of Tyrannosaurus rex.
This article appeared in the Science & technology section of the print edition under the headline “Crimes of passion”
From the October 2nd 2021 edition
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