Fossils

Photo of dinosaur skeleton

How well do you know SUE?

The towering Tyrannosaurus rex that greets visitors at The Field Museum is hard to miss. But how well do you really know SUE? To celebrate SUE’s Unearth Day on August 12, the date she was discovered, we’re brushing up on some essential facts: Who is SUE? Even though we refer to SUE as a “she,” it is unknown whether this T. rex was female or male. We know that this carnivorous dinosaur lived about 67 million years ago and probably weighed nine tons during its life.

Illustrations of a glyptodont (large armadillo-like animal) and a spotted ironclad beetle

Extreme Animals Competition: Glyptodont v. Ironclad Beetle

In the Extreme Animals Competition, we’re looking at some of the fastest, fiercest, and strongest members of the animal kingdom. In the Armored Defenders category, the extinct glyptodont and the extant ironclad beetle are known for their built-in body armor. Glyptodont: Walking suit of armor Vital stats: 

Newly-discovered dinosaur had “T. rex arms” that evolved independently

Scientists still aren’t sure why T. rex had those absurdly small forelimbs, but apparently the look was all the rage in the Late Cretaceous. A newly-discovered dinosaur from Patagonia has similar short, two-fingered claws, even though it’s not closely related to the tyrannosaurs.

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