Diplodocus had a whip-like tail that it likely used as a sonic boom weapon, cracking it to create loud noises to deter predators or communicate with others.
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Oviraptor's name, meaning "egg thief," is a misnomer. The first fossil was found near a nest of what were assumed to be Protoceratops eggs, but later discoveries showed it was actually sitting on its own eggs.
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Albertosaurus fossils show evidence of injuries, including a healed bite wound on one specimen's jaw, suggesting they fought each other, possibly over territory or mates.
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