"Tyrannosaur Fossil Unveils Prehistoric Last Meal"
The fossil of a 75-million-year-old juvenile gorgosaurus, a close relative of the Tyrannosaurus rex, has revealed the remains of two baby dinosaurs called citipes in its rib cage, providing new insights into the changing diet of ancient predators. The discovery suggests that as they grew, tyrannosaurs shifted from hunting large plant-eating dinosaurs to smaller, young dinosaurs. This finding provides solid evidence of the dietary changes that occurred during the growth of tyrannosaurs.