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Damaged bones allow paleontologists to approach dinosaur mating habits—and their consequences—a little more closely.

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And dinosaurs, whether prey or predator, often died young, so any dinosaur that was going to pass on its genes had to get an early start.

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Everything You Wanted to Know About Dinosaur Sex

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The source was a temporary type of tissue called medullary bone lining the inside of their leg bone cavities.

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There may have been as many courtship rituals as there were species of dinosaur.

Description: Stegosaurus has become an icon of the mystery surrounding dinosaur sex. When such tissue was discovered in the femur of a Tyrannosaurus , paleontologists knew they had a female dinosaur.

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