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Find out why the slow-motion sloth is so sluggish and how the plodding pangolin protects itself from predators
The Princeton Field Guide to Sauropod and Prosauropod Dinosaurs Flashcards compressed airAn authoritative illustrated guide to the long necked herbivores that roamed the dinosaur world, from the enormous Brontosaurus and Brachiosaurus to their prosauropod ancestors New discoveries are transforming our understanding of the sauropod and prosauropod dinosaurs, revealing startling new insights into the lives and look of these awesome herbivores. The Princeton Field Guide to Sauropod and Prosauropod Dinosaurs provides the most up to date and