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Tusk reveals clues about extinct species
Some 13,000 years ago, a roving male mastodon died in a bloody mating-season battle in what today is northeast Indiana, according to the first study to document the annual migration of an individual animal from an extinct species.
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Dig this
Thumb-area teachers help U-M paleontologists excavate prehistoric mastodon bones, which could be 13,000 years old.