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‘Amazing’ mastodon discovery goes on display

80% intact juvenile was found in Michigan woods

By MIKE HOUSEHOLDER, Associated Press
Published: June 6, 2023, 6:00am
3 Photos
Mastodon bones are displayed at the Grand Rapids Public Museum on Thursday, May 18, 2023, in Grand Rapids, Mich. Some of the mastodon bones, found last summer in Newaygo County, will be unveiled as part of museum's "Ice Age: Michigan's Frozen Secrets" exhibit, which opens to the public on May 20.
Mastodon bones are displayed at the Grand Rapids Public Museum on Thursday, May 18, 2023, in Grand Rapids, Mich. Some of the mastodon bones, found last summer in Newaygo County, will be unveiled as part of museum's "Ice Age: Michigan's Frozen Secrets" exhibit, which opens to the public on May 20. (Cory Morse/MLive.com/The Grand Rapids Press via AP) (Cory Morse/MLive.com/The Grand Rapids Press) Photo Gallery

GRAND RAPIDS, Mich. — A selection of bones belonging to a juvenile mastodon who roamed the woods of Michigan 13,000 years ago is now on display at the Grand Rapids Public Museum, after workers unearthed it by chance last year.

Excited museum officials showed off some of the long-extinct pachyderm’s remains on Thursday, although much of the skeleton still is going through the drying process.

Mastodons might seem similar to woolly mammoths, but they were shorter and stockier — imagine a mix between a woolly mammoth and modern elephant — and their tusks were shorter and less curved.

The Michigan skeleton was discovered by Kent County drain commission workers digging about 30 miles north of Grand Rapids. Museum CEO Dale Robertson called the discovery “amazing.”

“It’s probably an understatement,” he said during a news conference Thursday before officials toured the new exhibit.

It’s not unusual to find mastodon bones, especially in the Midwest. But what’s special about this discovery is that as much as 80 percent of the mastodon’s bones are intact, “which is really, really impressive,” said Cory Redman, the museum’s science curator.

“Anything over 20 you’re super excited about, so 75 to 80 percent is absolutely fantastic,” Redman said.

Unfortunately, no tusks were found and only a partial skull, which is displayed under glass near a large photo of the excavation site. The skeleton was discovered in August 2022 on private property belonging to the Clapp family, who decided to donate it to the museum.

A selection of the bones, now known as the “Clapp Family Mastodon,” will be publicly displayed as part of the museum’s exhibition “Ice Age: Michigan’s Frozen Secrets,” which opened Saturday. The exhibit also features an array of creatures from the Pleistocene period. The museum acquired 63 new fossils and casts, allowing visitors to touch real fossilized bones and teeth.

But the Clapp Family Mastodon is the star of the show.

The juvenile was between 10 and 20 years old when it died, said Redman, which radiocarbon dating puts at around 13,210 years ago.

“What makes this specimen unique and so exciting is it’s a juvenile. It’s a young animal. Typically, when you find them, they’re adults. And also, the degree of completeness,” Redman said.

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