New species of tiny tyrannosaur foreshadows rise of T. rex
A newly discovered, diminutive—by T. rex standards—relative of the tyrant king of dinosaurs reveals crucial new information about when and how T. rex came to rule the North American roost.
A newly discovered, diminutive—by T. rex standards—relative of the tyrant king of dinosaurs reveals crucial new information about when and how T. rex came to rule the North American roost.
Archaeology
Feb 21, 2019
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The fossilized remains of a new horse-sized dinosaur reveal how Tyrannosaurus rex and its close relatives became top predators, according to a new study published in the Proceedings of the National Academy of Sciences.
Archaeology
Mar 14, 2016
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A new species of carnivorous dinosaur – one of the three largest ever discovered in North America – lived alongside and competed with small-bodied tyrannosaurs 98 million years ago. This newly discovered species, Siats ...
Archaeology
Nov 22, 2013
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While adult tyrannosaurs wielded power and size to kill large prey, youngsters used agility to hunt smaller game.
Archaeology
May 9, 2011
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Prey has been discovered inside the stomach of a tyrannosaur skeleton for the first time, scientists said Friday, revealing that the mighty dinosaurs had an "appetite for drumsticks" when they were young.
Paleontology & Fossils
Dec 8, 2023
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How did Tyrannosaurus rex catch its food? Looking at T. rex's fossilized skull, the answer may seem obvious: monstrous jaws and sharp teeth capable of delivering a multi-ton bite force.
Paleontology & Fossils
Dec 2, 2022
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Tyrannosaurids, the family of dinosaurs that includes T. rex, has been known from North America and Asia for over a century, yet many details of their evolutionary history remain unclear. Since the 1990s, debate has surrounded ...
Evolution
Nov 28, 2022
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New UMD study suggests that everywhere tyrannosaurs rose to dominance, their juveniles took over the ecological role of medium-sized carnivores
Paleontology & Fossils
Jun 17, 2021
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The fearsome tyrannosaur dinosaurs that ruled the northern hemisphere during the Late Cretaceous period (66-100 million years ago) may not have been solitary predators as popularly envisioned, but social carnivores similar ...
Paleontology & Fossils
Apr 20, 2021
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Ferocious tyrannosaur dinosaurs may not have been solitary predators as long envisioned, but more like social carnivores such as wolves, new research unveiled Monday found.
Paleontology & Fossils
Apr 20, 2021
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