The tusk holds the secrets.
Mastodons were elephant-like herbivorous creatures that lived in herds in North and Central America before they went extinct about 10,000-11,000 years ago. Typically between 8-10 feet tall, these creatures weighed between 8,000-12,000 pounds , and while climate change has also been attributed as a cause for their extinction, hunting by human ancestors has also been a major contributor.
Daniel Fisher, one of the researchers who helped the excavation in 1998 is now a professor of paleontology at the University of Michigan as well as the director of the university's Museum of Paleontology, where the Buesching mastodon's fossilized remains are kept to be studied further. The researchers studied ratios of strontium isotopes in the tusk sample and mapped them against various locations to determine the geographies where the mastodon may have traveled to. The oxygen isotope values helped determine the seasonal changes in the creature's lifetime and the time of year the tusk was formed.
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