T. rex’s tiny arms may have evolved for a surprisingly brutal reason

ScienceDaily
May 20, 2026, 12:29 am125 ptsTrending
Why did T. rex have such tiny arms? Scientists now think it’s because its giant head became the ultimate hunting tool. Across multiple dinosaur groups, stronger skulls and crushing jaws evolved alongside shrinking forelimbs, especially in predators hunting enormous prey. In other words, once the bite became…

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