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IMAGE: Skeletons of four tyrannosaurid specimens tested in the study view more  Credit: Clockwise from above left: adult Tyrannosaurus rex "Sue " (FMNH PR 2081) (Field Museum of Natural History, Chicago, IL; photo by the Field Museum), juvenile Tyrannosaurus rex "Jane " (BMRP 2002.4.1) (Burpee... By closely examining the jaw mechanics of juvenile and adult tyrannosaurids, some of the fiercest dinosaurs to inhabit earth, scientists led by the University of Bristol have uncovered differences in how they bit into their prey. They found that younger tyrannosaurs were incapable of deli...

It's often referred to as the 'King of the Dinosaurs', but a new study suggests that T.Rex wasn't so scary after all - at least while it was a teen.  Researchers have analysed the jaw mechanics of young and adult tyrannosaurids to uncover how they bit into their prey.  Their analysis suggests that younger tyrannosaurs were incapable of delivering bone-crushing bits, and that adults were much better at tearing out chunks of flesh from their prey.  This indicates that younger tyrannousaurs may have targeted smaller prey, before moving on to larger creatures as they aged and their jaws became...

The Tyrannosaurus rex is one of the most well known of all the dinosaurs, particularly notable for its ferocious jaws. Adult tyrannosaurs – including the species T. rex – used a “puncture-pull” biting technique, in which they bit down and swallowed chunks of flesh and bone. But, it turns out, young tyrannosaurs didn’t possess the deep jaws necessary to undertake such a bite. Their jaws weren’t equipped to deal with the significant stresses of biting in this way. In a new study, my colleague Eric Snively of Oklahoma State University and I examined how tyrannosaur feeding strate...

Bite of juvenile T. rex was less ferocious than an adult tyrannosaurus By (0) The juvenile Tyrannosaurus rex had a weaker bite than adult counterparts, according to a study by researchers in Britain. File Photo by John Angelillo/UPI Tyrannosaurus rex dinosaurs were less powerful than those of their older counterparts, according to a new study. The fossil record is rich with the bones of adult T. rex dinosaurs, allowing for detailed analysis of the predator's powerful bite -- a bite strong enough to crush bones and help T. rex take down large, plant-eating dinosaurs. Advertisement Previou...

Tyrannosaur Teens Didn’t Have the Bone-Crushing Bite of Adults Image: Mary Altaffer (AP) Adult tyrannosaurs were basically bone crushing machines on two feet. New research suggests juvenile tyrannosaurs couldn’t match the same level of brutality, resulting in a distinctive bite that set them apart from their adult counterparts. Advertisement Nothing like tyrannosaurs exist today, and thank goodness for that. As the quintessential apex predator of the Mesozoic, these megatheropods featured bite forces that boggle the imagination. The modern lion exerts a respectable 1,300 Newtons of force ...