One of the unique parts of the Museum's exhibition T.rex: The Ultimate Predator is life-size models of a T.rex hatchling, juvenile, and adult. The three stages are shown on this bright green youth t-shirt in sizes XS to XL. Cotton blend. Machine washable.
How did a fluffy little critter turn into a massive killing machine? Every terrifying  T. rex  was once a helpless hatchling. And all tyrannosaurs evolved from smaller ancestors-some not much bigger than the hatchling as adults. The full tyrannosaur story spans 100 million years of evolution and includes dozens of species discovered around the world-including  T. rex,  uncovered in Montana in 1905 by American Museum of Natural History fossil hunter Barnum Brown. Visit this spectacular exhibition now through August, 2020.
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